APA aipamena

McEwen, R. S. (1956). Vertebrates embryology (Ed.4.).

Chicago Style aipamena

McEwen, Robert S. Vertebrates Embryology. Ed.4. New Delhi, Oxford & I B H Publishing Company, 1956.

MLA aipamena

McEwen, Robert S. Vertebrates Embryology. Ed.4. 1956.