APA (7th ed.) Citation

Methley, V. M., & Brock, R. H. (1931). The windmill guides. Blackie & Son.

Chicago Style (17th ed.) Citation

Methley, Violet M., and R. H. Brock. The Windmill Guides. London: Blackie & Son, 1931.

MLA (9th ed.) Citation

Methley, Violet M., and R. H. Brock. The Windmill Guides. Blackie & Son, 1931.