Oil and gas geology of the Sheffield quadrangle, Pennsylvania / by A.I. Ingham ... [et al.].

Chicago citation style
Ingham, A. I. (Albert Irwin), 1914-2002. Oil and gas geology of the Sheffield quadrangle, Pennsylvania / by A.I. Ingham ... [et al.].. Retrieved from the Digital Public Library of America, https://archive.org/details/oilgasgeologyofs00ingh. (Accessed September 21, 2018.)
APA citation style
Ingham, A. I. (Albert Irwin), 1914-2002, Oil and gas geology of the Sheffield quadrangle, Pennsylvania / by A.I. Ingham ... [et al.].. Retrieved from the Digital Public Library of America, https://archive.org/details/oilgasgeologyofs00ingh
MLA citation style
Ingham, A. I. (Albert Irwin), 1914-2002. Retrieved from the Digital Public Library of America <https://archive.org/details/oilgasgeologyofs00ingh>.
Note: These citations are programmatically generated and may be incomplete.