APA aipamena

Orr, A. P., & Marshall, S. M. (1969). Fertile sea: Buckland lectures for [1957]. Fishing News Books.

Chicago Style aipamena

Orr, A. P., and S. M. Marshall. Fertile Sea: Buckland Lectures for [1957]. London: Fishing News Books, 1969.

MLA aipamena

Orr, A. P., and S. M. Marshall. Fertile Sea: Buckland Lectures for [1957]. Fishing News Books, 1969.