Heitman, Hubert and Trevethan, Walt

Chicago citation style
Heitman, Hubert and Trevethan, Walt. undated. Retrieved from the Digital Public Library of America, http://ark.cdlib.org/ark:/13030/kt4290361g. (Accessed December 14, 2018.)
APA citation style
(undated) Heitman, Hubert and Trevethan, Walt. Retrieved from the Digital Public Library of America, http://ark.cdlib.org/ark:/13030/kt4290361g
MLA citation style
Retrieved from the Digital Public Library of America <http://ark.cdlib.org/ark:/13030/kt4290361g>.
Note: These citations are programmatically generated and may be incomplete.