Style de citation APA (7e éd.)

Edited by Estall, R. (1991). Global change and challenge: Geography for the 1990s. Routledge.

Style de citation Chicago (17e éd.)

Edited by Estall, Robert. Global Change and Challenge: Geography for the 1990s. London: Routledge, 1991.

Style de citation MLA (9e éd.)

Edited by Estall, Robert. Global Change and Challenge: Geography for the 1990s. Routledge, 1991.