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

APA Citation Edition Citation

Ryan, C. W. (1960). A guide to the known minerals of Turkey.

Chicago Citation Edition Citation

Ryan, C. W. A Guide to the Known Minerals of Turkey. Ankara, 1960.

MLA Citation Edition Citation

Ryan, C. W. A Guide to the Known Minerals of Turkey. 1960.