APA (7th ed.) Citation

Dickenberger, D., Irle, M., & Irle, M. (1983). Marktpsychologie. Marktpsychologie.

Chicago Style (17th ed.) Citation

Dickenberger, Dorothee, Martin Irle, and Martin Irle. "Marktpsychologie." Marktpsychologie 1983.

MLA (8th ed.) Citation

Dickenberger, Dorothee, et al. "Marktpsychologie." Marktpsychologie, 1983.