APA (7th ed.) Citation

Wallner, M., & Cullen, J. (2007). April in Paris (First edition.). Nan A. Talese.

Chicago Style (17th ed.) Citation

Wallner, Michael, and John Cullen. April in Paris. First edition. New York: Nan A. Talese, 2007.

MLA (9th ed.) Citation

Wallner, Michael, and John Cullen. April in Paris. First edition. Nan A. Talese, 2007.