APA (7th ed.) Citation

Ruddell, R. B., Dillon, B. A., & Koppman, P. S. (1978). Sunshine days. Allyn and Bacon.

Chicago Style (17th ed.) Citation

Ruddell, Robert B., Barbara A. Dillon, and Patricia Shelton Koppman. Sunshine Days. Boston: Allyn and Bacon, 1978.

MLA (9th ed.) Citation

Ruddell, Robert B., et al. Sunshine Days. Allyn and Bacon, 1978.