APA (7th ed.) Citation

Becker & Haag(Berlin). (1893). Emil Berenz.

Chicago Style (17th ed.) Citation

Becker & Haag(Berlin). Emil Berenz. Berlin, 1893.

MLA (9th ed.) Citation

Becker & Haag(Berlin). Emil Berenz. 1893.

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