APA (7th ed.) Citation

Gould, P. R. (1969). Spatial diffusion. [Association of American Geographers].

Chicago Style (17th ed.) Citation

Gould, Peter R. Spatial Diffusion. [Washington]: [Association of American Geographers], 1969.

MLA (9th ed.) Citation

Gould, Peter R. Spatial Diffusion. [Association of American Geographers], 1969.

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