APA (7th ed.) Citation

Zelinsky, W. (1970). Geography and a crowding world: A symposium on population pressures upon physical and social resources in the developing lands. Oxford Univ. Press.

Chicago Style (17th ed.) Citation

Zelinsky, Wilbur. Geography and a Crowding World: A Symposium on Population Pressures upon Physical and Social Resources in the Developing Lands. New York <<[u.a.]>>: Oxford Univ. Press, 1970.

MLA (9th ed.) Citation

Zelinsky, Wilbur. Geography and a Crowding World: A Symposium on Population Pressures upon Physical and Social Resources in the Developing Lands. Oxford Univ. Press, 1970.