APA ציטוט

Klepp, S. E. (1991). "The swift progress of population". Memoirs of the American Philosophical Society 187.

Chicago Style Citation

Klepp, Susan E. ""The Swift Progress of Population"." Memoirs of the American Philosophical Society 187 1991.

ציטוט MLA

Klepp, Susan E. ""The Swift Progress of Population"." Memoirs of the American Philosophical Society 187 1991.