APA

MacGinitie G. E., MacGinitie N., . (1949). Natural history of marine animals. New York: McGraw-Hill.

Chicago

MacGinitie G E, MacGinitie Nettie, . 1949. Natural history of marine animals. New York: McGraw-Hill.

Harvard

MacGinitie G. E., MacGinitie N., . (1949). Natural history of marine animals. New York: McGraw-Hill.

MLA

MacGinitie G E, MacGinitie Nettie, . Natural history of marine animals. New York: McGraw-Hill. 1949.