APA引文

Watson, L., & Ritchie, T. (1981). Sea guide to whales of the world. Hutchinson & Co. (Publishers) Ltd, an imprint of the Hutchinson Publishing Group.

Chicago Style (17th ed.) Citation

Watson, Lyall, and Tom Ritchie. Sea Guide to Whales of the World. London: Hutchinson & Co. (Publishers) Ltd, an imprint of the Hutchinson Publishing Group, 1981.

MLA引文

Watson, Lyall, and Tom Ritchie. Sea Guide to Whales of the World. Hutchinson & Co. (Publishers) Ltd, an imprint of the Hutchinson Publishing Group, 1981.