APA Alıntı

Helen, Helen Mellanby, & Helen Mellanby. (1953). Animal life in freshwater (5.). London.

Chicago Stili Alıntı

Helen, Helen Mellanby, ve Helen Mellanby. Animal Life in Freshwater. 5. London, 1953.

MLA Alıntı

Helen, et al. Animal Life in Freshwater. 5. London, 1953.