APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (9. p.)

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