Cita APA (7a ed.)

McCornack, E. C. (1928). Thomas Condon: Pioneer geologist of Oregon. University of Oregon Press.

Cita Chicago Style (17a ed.)

McCornack, Ellen Condon. Thomas Condon: Pioneer Geologist of Oregon. Eugene, Ore.: University of Oregon Press, 1928.

Cita MLA (8a ed.)

McCornack, Ellen Condon. Thomas Condon: Pioneer Geologist of Oregon. University of Oregon Press, 1928.

Precaución: Estas citas no son 100% exactas.