APA (7th ed.) Citation

Morrill, R., Gaile, G. L., & Thrall, G. I. (1988). Spatial diffusion / Richard Morrill, Gary L. Gaile, Grant Ian Thrall. Sage.

Chicago Style (17th ed.) Citation

Morrill, Richard, Gary L. Gaile, and Grant Ian Thrall. Spatial Diffusion / Richard Morrill, Gary L. Gaile, Grant Ian Thrall. Newbury Park ; London: Sage, 1988.

MLA (9th ed.) Citation

Morrill, Richard, et al. Spatial Diffusion / Richard Morrill, Gary L. Gaile, Grant Ian Thrall. Sage, 1988.

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