Cite

J. C. Tracy and Myself "Prospecting.

MLA

G. V. Cooper del, On stone by James Camero. J. C. Tracy and Myself "Prospecting.. undated. https://collections.library.yale.edu/catalog/2015995.

APA, 6th edition

G. V. Cooper del, & On stone by James Camero. (undated)[J. C. Tracy and Myself "Prospecting.]. https://collections.library.yale.edu/catalog/2015995.