APA (7th ed.) Citation

Ervin, J., & Cullen, G. R. (1976). The Twin Cities perceived: A study in words and drawings. University of Minnesota Press.

Chicago Style (17th ed.) Citation

Ervin, Jean, and Gemma Rossini Cullen. The Twin Cities Perceived: A Study in Words and Drawings. Minneapolis: University of Minnesota Press, 1976.

MLA (8th ed.) Citation

Ervin, Jean, and Gemma Rossini Cullen. The Twin Cities Perceived: A Study in Words and Drawings. University of Minnesota Press, 1976.