A SWIMSUIT CLAD BLACK WOMAN ENJOYS HER SUMMER OUTING AT CHICAGO'S 12TH STREET BEACH ON LAKE MICHIGAN. FROM 1960 TO 1970 THE PERCENTAGE OF CHICAGO BLACKS WITH AN INCOME OF $7,000 OR MORE JUMPED FROM 26 TO 58%. MEDIAN BLACK INCOME DURING THE PERIOD INCREASED FROM $4,700 TO $4,883, BUT THE DOLLAR GAP BETWEEN THEIR GROUP AND THE WHITES ACTUALLY WIDENED

Chicago citation style
Environmental Protection Agency. 12/2/1970. A SWIMSUIT CLAD BLACK WOMAN ENJOYS HER SUMMER OUTING AT CHICAGO'S 12TH STREET BEACH ON LAKE MICHIGAN. FROM 1960 TO 1970 THE PERCENTAGE OF CHICAGO BLACKS WITH AN INCOME OF $7,000 OR MORE JUMPED FROM 26 TO 58%. MEDIAN BLACK INCOME DURING THE PERIOD INCREASED FROM $4,700 TO $4,883, BUT THE DOLLAR GAP BETWEEN THEIR GROUP AND THE WHITES ACTUALLY WIDENED. 1973-08. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/556300. (Accessed October 17, 2018.)
APA citation style
Environmental Protection Agency. 12/2/1970, (1973-08) A SWIMSUIT CLAD BLACK WOMAN ENJOYS HER SUMMER OUTING AT CHICAGO'S 12TH STREET BEACH ON LAKE MICHIGAN. FROM 1960 TO 1970 THE PERCENTAGE OF CHICAGO BLACKS WITH AN INCOME OF $7,000 OR MORE JUMPED FROM 26 TO 58%. MEDIAN BLACK INCOME DURING THE PERIOD INCREASED FROM $4,700 TO $4,883, BUT THE DOLLAR GAP BETWEEN THEIR GROUP AND THE WHITES ACTUALLY WIDENED. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/556300
MLA citation style
Environmental Protection Agency. 12/2/1970. Retrieved from the Digital Public Library of America <http://catalog.archives.gov/id/556300>.
Note: These citations are programmatically generated and may be incomplete.