APA (7th ed.) Citation

Stock, C. (1988). Sophie's knapsack. Lothrop, Lee & Shepard Books.

Chicago Style (17th ed.) Citation

Stock, Catherine. Sophie's Knapsack. New York: Lothrop, Lee & Shepard Books, 1988.

MLA (9th ed.) Citation

Stock, Catherine. Sophie's Knapsack. Lothrop, Lee & Shepard Books, 1988.