APA (7th ed.) Citation

Spyri, J., Dole, H. J. B., & Sharp, W. (1945). Heidi. Grosset & Dunlap, inc..

Chicago Style (17th ed.) Citation

Spyri, Johanna, Helen James Bennett Dole, and William Sharp. Heidi. [New York]: Grosset & Dunlap, inc., 1945.

MLA (9th ed.) Citation

Spyri, Johanna, et al. Heidi. Grosset & Dunlap, inc., 1945.