APA (7th ed.) Citation

Hecke, R. (2011). Irene (1. ed.). Ed. Frey.

Chicago Style (17th ed.) Citation

Hecke, Roswitha. Irene. 1. ed. Zurich: Ed. Frey, 2011.

MLA (9th ed.) Citation

Hecke, Roswitha. Irene. 1. ed. Ed. Frey, 2011.

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