APA (7th ed.) Citation

Chapin, F. S. [. (1950). How big should a city be? Planning outlook, 2(1), 37-48.

Chicago Style (17th ed.) Citation

Chapin, F. Stuart [1916-]. "How Big Should a City Be?" Planning Outlook 2, no. 1 (1950): 37-48.

MLA (9th ed.) Citation

Chapin, F. Stuart [1916-]. "How Big Should a City Be?" Planning Outlook, vol. 2, no. 1, 1950, pp. 37-48.