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

APA Citation Edition Citation

Sears, P. B. (1930). A record of post-glacial climate in northern Ohio. - Columbs, OH.

Chicago Citation Edition Citation

Sears, Paul B. A Record of Post-glacial Climate in Northern Ohio. - Columbs, OH. 1930.

MLA Citation Edition Citation

Sears, Paul B. A Record of Post-glacial Climate in Northern Ohio. - Columbs, OH. 1930.