APA ציטוט
ebrary, Inc, Perrin, W. F., Würsig, B. G., & Thewissen, J. G. M. (2009). Encyclopedia of marine mammals (2nd ed.). Academic.
Chicago Style (17th ed.) Citation
ebrary, Inc, W. F. Perrin, Bernd G. Würsig, and J. G. M. Thewissen. Encyclopedia of Marine Mammals. 2nd ed. London: Academic, 2009.
ציטוט MLA
ebrary, Inc, et al. Encyclopedia of Marine Mammals. 2nd ed. Academic, 2009.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.