Robert R. Knapp examining a piece of broken drill pipe on board the D/V Glomar Challenger (ship), during one of the Legs of the Deep Sea Drilling Project. 1979

Chicago citation style
Robert R. Knapp examining a piece of broken drill pipe on board the D/V Glomar Challenger (ship), during one of the Legs of the Deep Sea Drilling Project. 1979. 1979. Retrieved from the Digital Public Library of America, https://library.ucsd.edu/dc/object/bb7509768k. (Accessed December 10, 2018.)
APA citation style
(1979) Robert R. Knapp examining a piece of broken drill pipe on board the D/V Glomar Challenger (ship), during one of the Legs of the Deep Sea Drilling Project. 1979. Retrieved from the Digital Public Library of America, https://library.ucsd.edu/dc/object/bb7509768k
MLA citation style
Retrieved from the Digital Public Library of America <https://library.ucsd.edu/dc/object/bb7509768k>.
Note: These citations are programmatically generated and may be incomplete.