APA (7th ed.) Citation

Sonnberger, G. (1990). Georg Philipp Wörlen, 1886 - 1954 (1. Aufl.).

Chicago Style (17th ed.) Citation

Sonnberger, Gerwald. Georg Philipp Wörlen, 1886 - 1954. 1. Aufl. Passau, 1990.

MLA (9th ed.) Citation

Sonnberger, Gerwald. Georg Philipp Wörlen, 1886 - 1954. 1. Aufl. 1990.

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