Cita APA (7th ed.)

Orr, A. P., & Marshall, S. M. (1969). The fertile sea: Being the buckland lectures for 1957. Fishing News Books.

Cita Chicago (17th ed.)

Orr, Andrew Picken, i Sheina M. Marshall. The Fertile Sea: Being the Buckland Lectures for 1957. Londres: Fishing News Books, 1969.

Cita MLA (9th ed.)

Orr, Andrew Picken, i Sheina M. Marshall. The Fertile Sea: Being the Buckland Lectures for 1957. Fishing News Books, 1969.