"Keeling, Charles: In Lab"

Chicago citation style
SIO Photographic Laboratory. "Keeling, Charles: In Lab". 1996-04. Retrieved from the Digital Public Library of America, https://library.ucsd.edu/dc/object/bb88407037. (Accessed December 11, 2018.)
APA citation style
SIO Photographic Laboratory, (1996-04) "Keeling, Charles: In Lab". Retrieved from the Digital Public Library of America, https://library.ucsd.edu/dc/object/bb88407037
MLA citation style
SIO Photographic Laboratory. Retrieved from the Digital Public Library of America <https://library.ucsd.edu/dc/object/bb88407037>.
Note: These citations are programmatically generated and may be incomplete.