APA引文

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.

MLA引文

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

警告：這些引文格式不一定是100％准確.