Cita APA (7th ed.)

Shepard, F. P. (1964). The earth beneath the sea. Atheneum.

Cita Chicago (17th ed.)

Shepard, Francis Parker. The Earth Beneath the Sea. Nueva York: Atheneum, 1964.

Cita MLA (9th ed.)

Shepard, Francis Parker. The Earth Beneath the Sea. Atheneum, 1964.

Atenció: Aquestes cites poden no estar 100% correctes.