APA (7th ed.) Citation

Richard Parsons. (2004). AS-Level Geography: The Revision Guide. Coordination Group Publications (CGP).

Chicago Style (17th ed.) Citation

Richard Parsons. AS-Level Geography: The Revision Guide. England: Coordination Group Publications (CGP), 2004.

MLA (9th ed.) Citation

Richard Parsons. AS-Level Geography: The Revision Guide. Coordination Group Publications (CGP), 2004.

Warning: These citations may not always be 100% accurate.