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

APA Citation Edition Citation

Cowgill, U. M. Can we stabilize population by taking thought?. - o.O. - S. 29-35.

Chicago Citation Edition Citation

Cowgill, Ursula M. Can We Stabilize Population by Taking Thought?. - O.O. - S. 29-35.

MLA Citation Edition Citation

Cowgill, Ursula M. Can We Stabilize Population by Taking Thought?. - O.O. - S. 29-35.