APA (7th ed.) Citation

Orwin, C. S., & Orwin, C. S. (1954). The open fields (2nd ed.). Clarendon Press.

Chicago Style (17th ed.) Citation

Orwin, C. S., and Christabel Susan Orwin. The Open Fields. 2nd ed. Oxford, Oxfordshire: Clarendon Press, 1954.

MLA (8th ed.) Citation

Orwin, C. S., and Christabel Susan Orwin. The Open Fields. 2nd ed. Clarendon Press, 1954.