Cita APA

Scheffer, V. B. (1958). Seals, sea lions, and walruses, a review of the pinnipedia.

Chicago Edition Citation

Scheffer, Victor B. Seals, Sea Lions, and Walruses, a Review of the Pinnipedia. 1958.

Cita MLA

Scheffer, Victor B. Seals, Sea Lions, and Walruses, a Review of the Pinnipedia. 1958.

Atenció: Aquestes cites poden no estar 100% correctes.