APA (7th ed.) Citation

Shepard, F. P. (1961). The earth beneath the sea (3. print.). Hopkins Press.

Chicago Style (17th ed.) Citation

Shepard, Francis P. The Earth Beneath the Sea. 3. print. Baltimore: Hopkins Press, 1961.

MLA (9th ed.) Citation

Shepard, Francis P. The Earth Beneath the Sea. 3. print. Hopkins Press, 1961.