APA

Thomas L., . (1979). The medusa and the snail: more notes of a biology watcher. New York: Viking Press.

Chicago

Thomas Lewis, . 1979. The medusa and the snail: more notes of a biology watcher. New York: Viking Press.

Harvard

Thomas L., . (1979). The medusa and the snail: more notes of a biology watcher. New York: Viking Press.

MLA

Thomas Lewis, . The medusa and the snail: more notes of a biology watcher. New York: Viking Press. 1979.