APA (7th ed.) Citation

Johnston & Taylor. (1989). A World in crisis?: Geographical perspectives (2nd ed.). B. Blackwell.

Chicago Style (17th ed.) Citation

Johnston and Taylor. A World in Crisis?: Geographical Perspectives. 2nd ed. Oxford, UK Cambridge, Mass., USA: B. Blackwell, 1989.

MLA (8th ed.) Citation

Johnston and Taylor. A World in Crisis?: Geographical Perspectives. 2nd ed. B. Blackwell, 1989.