APA (7th ed.) Citation

Opitz. (1925). Neuzeitlicher Roggenbau.

Chicago Style (17th ed.) Citation

Opitz. Neuzeitlicher Roggenbau. 1925.

MLA (9th ed.) Citation

Opitz. Neuzeitlicher Roggenbau. 1925.

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