APA (7th ed.) Citation
Allaby, M. (1990). A dictionary of earth sciences (3rd ed.). Oxford University Press.
Chicago Style (17th ed.) Citation
Allaby, Michael. A Dictionary of Earth Sciences. 3rd ed. Oxford: Oxford University Press, 1990.
MLA (9th ed.) Citation
Allaby, Michael. A Dictionary of Earth Sciences. 3rd ed. Oxford University Press, 1990.
Warning: These citations may not always be 100% accurate.