APA (7th ed.) Citation

Osterkorn, N., & Ortlepp, D. (1999). Day and night. A & E.

Chicago Style (17th ed.) Citation

Osterkorn, Natascha, and Dieter Ortlepp. Day and Night. Berlin: A & E, 1999.

MLA (8th ed.) Citation

Osterkorn, Natascha, and Dieter Ortlepp. Day and Night. A & E, 1999.