APA (7th ed.) Citation

Norton, B. S., Norton, A., & Rocker, F. (1969). Bertie and May ([First edition].). The World Publishing Company.

Chicago Style (17th ed.) Citation

Norton, Bertha Stemm, Andre Norton, and Fermin Rocker. Bertie and May. [First edition]. New York ; Cleveland: The World Publishing Company, 1969.

MLA (9th ed.) Citation

Norton, Bertha Stemm, et al. Bertie and May. [First edition]. The World Publishing Company, 1969.