APA (7th ed.) Citation

Mackler, C., & Tichy, M. (2009). Sommer in New York. Carlsen.

Chicago Style (17th ed.) Citation

Mackler, Carolyn, and Martina Tichy. Sommer in New York. Hamburg: Carlsen, 2009.

MLA (9th ed.) Citation

Mackler, Carolyn, and Martina Tichy. Sommer in New York. Carlsen, 2009.