APA

Clark, . (1993). Sharks Whales Dolphins And Other Sea Creatures. London: Brown Watson.

Chicago

Clark, . 1993. Sharks Whales Dolphins And Other Sea Creatures. London: Brown Watson.

Harvard

Clark, . (1993). Sharks Whales Dolphins And Other Sea Creatures. London: Brown Watson.

MLA

Clark, . Sharks Whales Dolphins And Other Sea Creatures. London: Brown Watson. 1993.