Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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