APA (7th ed.) Citation

Hunt, B. K., & Pyk, J. (1971). How high is up? Putnam.

Chicago Style (17th ed.) Citation

Hunt, Bernice Kohn, and Jan Pyk. How High Is Up? New York: Putnam, 1971.

MLA (9th ed.) Citation

Hunt, Bernice Kohn, and Jan Pyk. How High Is Up? Putnam, 1971.

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