Friedmann, H., Kiff, L. F., & Rothstein, S. I. (1977). A further contribution to knowledge of the host relations of the parasitic cowbirds. Smithsonian Inst. Press.
Chicago-Zitierstil (17. Ausg.)Friedmann, Herbert, Lloyd F. Kiff, und Stephen I. Rothstein. A Further Contribution to Knowledge of the Host Relations of the Parasitic Cowbirds. Washington: Smithsonian Inst. Press, 1977.
MLA-Zitierstil (9. Ausg.)Friedmann, Herbert, et al. A Further Contribution to Knowledge of the Host Relations of the Parasitic Cowbirds. Smithsonian Inst. Press, 1977.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.