APA (7th ed.) Citation

Shipman, N. (1963). Once upon a summer (Airmont ed.). Airmont Books.

Chicago Style (17th ed.) Citation

Shipman, Natalie. Once upon a Summer. Airmont ed. New York: Airmont Books, 1963.

MLA (8th ed.) Citation

Shipman, Natalie. Once upon a Summer. Airmont ed. Airmont Books, 1963.

Warning: These citations may not always be 100% accurate.