APA aipamena

Symposium on Population Pressures upon Physical and Social Resources in the Developing Lands, Pennsylvania State University, Kosiński, L. A., Prothero, R. M., & Zelinsky, W. (1970). Geography and a crowding world. Oxford University Press.

Chicago Style aipamena

Symposium on Population Pressures upon Physical and Social Resources in the Developing Lands, Pennsylvania State University, Leszek A. Kosiński, R. Mansell Prothero, and Wilbur Zelinsky. Geography and a Crowding World. New York: Oxford University Press, 1970.

MLA aipamena

Symposium on Population Pressures upon Physical and Social Resources in the Developing Lands, Pennsylvania State University, et al. Geography and a Crowding World. Oxford University Press, 1970.