APA

Geikie A., . (1902). Text-book of geology. New York: P.F. Collier.

Chicago

Geikie Archibald, . 1902. Text-book of geology. New York: P.F. Collier.

Harvard

Geikie A., . (1902). Text-book of geology. New York: P.F. Collier.

MLA

Geikie Archibald, . Text-book of geology. New York: P.F. Collier. 1902.