APA (7th ed.) Citation

Musall, P., Werth, I., & Weigert, D. (1980). Mutter Erde, Bruder Himmel. Burckhardthaus-Laetare-Verlag.

Chicago Style (17th ed.) Citation

Musall, Peter, Inge Werth, and Dedo Weigert. Mutter Erde, Bruder Himmel. Gelnhausen [u.a.]: Burckhardthaus-Laetare-Verlag, 1980.

MLA (8th ed.) Citation

Musall, Peter, et al. Mutter Erde, Bruder Himmel. Burckhardthaus-Laetare-Verlag, 1980.

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