Παραπομπή APA

Shepard, F. P. (1963). Submarine geology (2nd ed.). Harper's.

Παραπομπή Chicago Style

Shepard, Francis P. Submarine Geology. 2nd ed. New York: Harper's, 1963.

Παραπομπή MLA

Shepard, Francis P. Submarine Geology. 2nd ed. Harper's, 1963.