APA (7th ed.) Citation

Cooper, S., & Gill, M. (1989). Over sea, under stone (1st Collier Books ed.). Collier Books.

Chicago Style (17th ed.) Citation

Cooper, Susan, and Margery Gill. Over Sea, Under Stone. 1st Collier Books ed. New York: Collier Books, 1989.

MLA (9th ed.) Citation

Cooper, Susan, and Margery Gill. Over Sea, Under Stone. 1st Collier Books ed. Collier Books, 1989.

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