APA (7th ed.) Citation

Denzel, F., Reidel, M., Ritzler, E., & Rüdiger, D. (1972). Hopsi-Fibel. Verlag Sellier OHG Freising, vormals Dr. F.P. Datterer & Cie.

Chicago Style (17th ed.) Citation

Denzel, Ferdinand, Marlene Reidel, Eva Ritzler, and Dietrich Rüdiger. Hopsi-Fibel. Freising: Verlag Sellier OHG Freising, vormals Dr. F.P. Datterer & Cie, 1972.

MLA (9th ed.) Citation

Denzel, Ferdinand, et al. Hopsi-Fibel. Verlag Sellier OHG Freising, vormals Dr. F.P. Datterer & Cie, 1972.