Cita APA (7th ed.)

Parry, J. H. (1981). Romance of the sea. National Geographic Society.

Cita Chicago (17th ed.)

Parry, J. H. Romance of the Sea. Washington, D.C: National Geographic Society, 1981.

Cita MLA (9th ed.)

Parry, J. H. Romance of the Sea. National Geographic Society, 1981.