Cita APA (7a ed.)

Grigg, D. B. (1995). An introduction to agricultural geography (2a ed.). Routledge.

Cita Chicago Style (17a ed.)

Grigg, David B. An Introduction to Agricultural Geography. 2a ed. London ; New York: Routledge, 1995.

Cita MLA (9a ed.)

Grigg, David B. An Introduction to Agricultural Geography. 2a ed. Routledge, 1995.