APA (7th ed.) Citation

Campbell, A., Young, K. O., & Andersen, H. C. (1993). Once upon a princess and a pea. Stewart, Tabori & Chang.

Chicago Style (17th ed.) Citation

Campbell, Ann-Jeanette, Kathy Osborn Young, and H. C. Andersen. Once upon a Princess and a Pea. New York: Stewart, Tabori & Chang, 1993.

MLA (9th ed.) Citation

Campbell, Ann-Jeanette, et al. Once upon a Princess and a Pea. Stewart, Tabori & Chang, 1993.