APA (7th ed.) Citation

Huggett, R. (1990). Catastrophism : systems of earth history / Richard Huggett: Systems of earth history. Edward Arnold.

Chicago Style (17th ed.) Citation

Huggett, Richard. Catastrophism : Systems of Earth History / Richard Huggett: Systems of Earth History. London: Edward Arnold, 1990.

MLA (9th ed.) Citation

Huggett, Richard. Catastrophism : Systems of Earth History / Richard Huggett: Systems of Earth History. Edward Arnold, 1990.

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