APA (7th ed.) Citation

Nagel, A., & Helwing, B. (2011). Persepolis.

Chicago Style (17th ed.) Citation

Nagel, Alexander, and B. Helwing. Persepolis. 2011.

MLA (8th ed.) Citation

Nagel, Alexander, and B. Helwing. Persepolis. 2011.

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