APA (7th ed.) Citation

Stine, M., Adler, H., & Griffard, R. (2000). P.S. Wish you were here. Harper Entertainment.

Chicago Style (17th ed.) Citation

Stine, Megan, Howard Adler, and Robert Griffard. P.S. Wish You Were Here. New York: Harper Entertainment, 2000.

MLA (9th ed.) Citation

Stine, Megan, et al. P.S. Wish You Were Here. Harper Entertainment, 2000.