APA (7th ed.) Citation

Moore, W. G. (1956). A dictionary of geography: Definitions and explanations of terms used in physical geography (New ed., rev. and enl.). Penguin.

Chicago Style (17th ed.) Citation

Moore, W. G. A Dictionary of Geography: Definitions and Explanations of Terms Used in Physical Geography. New ed., rev. and enl. Harmondsworth [etc.]: Penguin, 1956.

MLA (9th ed.) Citation

Moore, W. G. A Dictionary of Geography: Definitions and Explanations of Terms Used in Physical Geography. New ed., rev. and enl. Penguin, 1956.