APA (7th ed.) Citation

Watson, N. D. (1955). When is tomorrow? Knopf.

Chicago Style (17th ed.) Citation

Watson, Nancy Dingman. When Is Tomorrow? New York: Knopf, 1955.

MLA (9th ed.) Citation

Watson, Nancy Dingman. When Is Tomorrow? Knopf, 1955.

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