APA (7th ed.) Citation

Allaby, A. (1999). A dictionary of earth sciences (2a. ed.). Oxford University.

Chicago Style (17th ed.) Citation

Allaby, Ailsa. A Dictionary of Earth Sciences. 2a. ed. Oxford: Oxford University, 1999.

MLA (9th ed.) Citation

Allaby, Ailsa. A Dictionary of Earth Sciences. 2a. ed. Oxford University, 1999.