APA (7th ed.) Citation

Keates, J. S. (1996). Understanding maps (2nd ed.). Longman.

Chicago Style (17th ed.) Citation

Keates, J. S. Understanding Maps. 2nd ed. Harlow (England): Longman, 1996.

MLA (9th ed.) Citation

Keates, J. S. Understanding Maps. 2nd ed. Longman, 1996.