APA (7th ed.) Citation

Peterson, J., & Clark, R. C. (1971). The Littles take a trip. Scholastic Book Services.

Chicago Style (17th ed.) Citation

Peterson, John, and Roberta Carter Clark. The Littles Take a Trip. New York: Scholastic Book Services, 1971.

MLA (9th ed.) Citation

Peterson, John, and Roberta Carter Clark. The Littles Take a Trip. Scholastic Book Services, 1971.