APA (7th ed.) Citation

Pratchett, T. (1981). Strata. St. Martin's Press.

Chicago Style (17th ed.) Citation

Pratchett, Terry. Strata. New York: St. Martin's Press, 1981.

MLA (9th ed.) Citation

Pratchett, Terry. Strata. St. Martin's Press, 1981.

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