APA (7th ed.) Citation

Marguerite, M., Mason, M., & Ware, C. (1950). This is our valley (New ed.). Ginn.

Chicago Style (17th ed.) Citation

Marguerite, Marie, Miriam Mason, and Charlotte Ware. This Is Our Valley. New ed. Toronto: Ginn, 1950.

MLA (9th ed.) Citation

Marguerite, Marie, et al. This Is Our Valley. New ed. Ginn, 1950.