APA (7th ed.) Citation

Mayall, R. N., & Mayall, M. W. (1938). Sundials, how to know, use, and make them. Hale, Cushman & Flint.

Chicago Style (17th ed.) Citation

Mayall, R. Newton, and Margaret W. Mayall. Sundials, How to Know, Use, and Make Them. Boston: Hale, Cushman & Flint, 1938.

MLA (9th ed.) Citation

Mayall, R. Newton, and Margaret W. Mayall. Sundials, How to Know, Use, and Make Them. Hale, Cushman & Flint, 1938.