APA (7th ed.) Citation

Peattie, D. C., & Peattie, N. (1950). A cup of sky. Houghton Mifflin.

Chicago Style (17th ed.) Citation

Peattie, Donald Culross, and Noel Peattie. A Cup of Sky. Boston: Houghton Mifflin, 1950.

MLA (9th ed.) Citation

Peattie, Donald Culross, and Noel Peattie. A Cup of Sky. Houghton Mifflin, 1950.