APA (7th ed.) Citation

Gianfreda, S., Fries, P., & Flett, I. (2007). Pia Fries: Malerei 1990 - 2007. Richter.

Chicago Style (17th ed.) Citation

Gianfreda, Sandra, Pia Fries, and Ishbel Flett. Pia Fries: Malerei 1990 - 2007. Düsseldorf: Richter, 2007.

MLA (9th ed.) Citation

Gianfreda, Sandra, et al. Pia Fries: Malerei 1990 - 2007. Richter, 2007.