Cita APA

Gaddum, L. W., & Knowles, H. L. (1953). Our physical environment: A problem approach. University of Florida.

Citación estilo Chicago

Gaddum, Leonard W., and Harold L. Knowles. Our Physical Environment: A Problem Approach. Boston, Mass.: University of Florida, 1953.

Cita MLA

Gaddum, Leonard W., and Harold L. Knowles. Our Physical Environment: A Problem Approach. University of Florida, 1953.

Warning: These citations may not always be 100% accurate.