APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Ellwein, T., and G. Zimpel. Wertheim. Juventa, 1969.

MLA (9th ed.) Citation

Ellwein, T., and G. Zimpel. Wertheim. Juventa, 1969.

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