Filipino farm workers picking lettuce, Nagano Farm ; Morro Rock in background : about 1930 ; in 1931, Filipino farm workers went on strike and won a pay raise from 15 to 25 cents per hour ; during the strike, workers were brought from Mexico

Chicago citation style
Unknown. Filipino farm workers picking lettuce, Nagano Farm ; Morro Rock in background : about 1930 ; in 1931, Filipino farm workers went on strike and won a pay raise from 15 to 25 cents per hour ; during the strike, workers were brought from Mexico. circa 1930. Retrieved from the Digital Public Library of America, http://www.luna.blackgold.org/luna/servlet/detail/blackgold~1~1~429~75. (Accessed August 17, 2018.)
APA citation style
Unknown, (circa 1930) Filipino farm workers picking lettuce, Nagano Farm ; Morro Rock in background : about 1930 ; in 1931, Filipino farm workers went on strike and won a pay raise from 15 to 25 cents per hour ; during the strike, workers were brought from Mexico. Retrieved from the Digital Public Library of America, http://www.luna.blackgold.org/luna/servlet/detail/blackgold~1~1~429~75
MLA citation style
Unknown. Retrieved from the Digital Public Library of America <http://www.luna.blackgold.org/luna/servlet/detail/blackgold~1~1~429~75>.
Note: These citations are programmatically generated and may be incomplete.