APA (7th ed.) Citation

Nagle, G., & Spencer, K. (2001). Geography through diagrams: AS & A Level (3. ed.). Oxford Univ. Press.

Chicago Style (17th ed.) Citation

Nagle, Garrett, and Kris Spencer. Geography Through Diagrams: AS & A Level. 3. ed. Oxford: Oxford Univ. Press, 2001.

MLA (9th ed.) Citation

Nagle, Garrett, and Kris Spencer. Geography Through Diagrams: AS & A Level. 3. ed. Oxford Univ. Press, 2001.