Terracing

Chicago citation style
Pickowicz, Paul. Terracing. 1971-07-07. Retrieved from the Digital Public Library of America, https://library.ucsd.edu/dc/object/bb7989763d. (Accessed December 19, 2018.)
APA citation style
Pickowicz, Paul, (1971-07-07) Terracing. Retrieved from the Digital Public Library of America, https://library.ucsd.edu/dc/object/bb7989763d
MLA citation style
Pickowicz, Paul. Retrieved from the Digital Public Library of America <https://library.ucsd.edu/dc/object/bb7989763d>.
Note: These citations are programmatically generated and may be incomplete.