APA (7th ed.) Citation

Freyer, P. H. (1982). Albert Schweitzer. Union-Verlag.

Chicago Style (17th ed.) Citation

Freyer, Paul Herbert. Albert Schweitzer. Berlin: Union-Verlag, 1982.

MLA (8th ed.) Citation

Freyer, Paul Herbert. Albert Schweitzer. Union-Verlag, 1982.

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