APA

Smith T., . (1963). Parasitism and disease. New York: Hafner.

Chicago

Smith Theobald, . 1963. Parasitism and disease. New York: Hafner.

Harvard

Smith T., . (1963). Parasitism and disease. New York: Hafner.

MLA

Smith Theobald, . Parasitism and disease. New York: Hafner. 1963.