Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.

APA Citation Edition Citation

Kaplan, U., Wright, C. W., Schmid, F., & Kennedy, W. J. (1987). Turonian and Coniacian Scaphitidae from England and North-West Germany. Schweizerbart.

Chicago Citation Edition Citation

Kaplan, Ulrich, Claud William Wright, Friedrich Schmid, und William James Kennedy. Turonian and Coniacian Scaphitidae from England and North-West Germany. Stuttgart: Schweizerbart, 1987.

MLA Citation Edition Citation

Kaplan, Ulrich, et al. Turonian and Coniacian Scaphitidae from England and North-West Germany. Schweizerbart, 1987.