Cita APA (7th ed.)

Fox, M., & Argent, K. (1999). Sleepy bears (1st U.S. ed.). Harcourt Brace.

Cita Chicago (17th ed.)

Fox, Mem, i Kerry Argent. Sleepy Bears. 1st U.S. ed. San Diego: Harcourt Brace, 1999.

Cita MLA (8th ed.)

Fox, Mem, i Kerry Argent. Sleepy Bears. 1st U.S. ed. Harcourt Brace, 1999.