APA (7th ed.) Citation

Ellwein, T., Zimpel, G., & Zoll, R. (1969). Wertheim. Juventa.

Chicago Style (17th ed.) Citation

Ellwein, Thomas, Gisela Zimpel, and Ralf Zoll. Wertheim. München: Juventa, 1969.

MLA (8th ed.) Citation

Ellwein, Thomas, et al. Wertheim. Juventa, 1969.