Παραπομπή σε μορφή APA (7η εκδ.)

Gordon, M. S., & Olson, E. (1995). Invasions of the land: The transitions of organisms from aquatic to terrestrial life. Columbia University Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Gordon, Malcolm S., και Everett Olson. Invasions of the Land: The Transitions of Organisms from Aquatic to Terrestrial Life. New York, NY: Columbia University Press, 1995.

Παραπομπή σε μορφή MLA (8th εκδ.)

Gordon, Malcolm S., και Everett Olson. Invasions of the Land: The Transitions of Organisms from Aquatic to Terrestrial Life. Columbia University Press, 1995.