Cita APA (7th ed.)

European Science Foundation, Borrough, P. A., & Frank, A. U. (1996). Geographic objects with indeterminate boundaries. Taylor and Francis.

Cita Chicago (17th ed.)

European Science Foundation, Peter A. Borrough, i Andrew U. Frank. Geographic Objects with Indeterminate Boundaries. London: Taylor and Francis, 1996.

Cita MLA (9th ed.)

European Science Foundation, et al. Geographic Objects with Indeterminate Boundaries. Taylor and Francis, 1996.