APA (7th ed.) Citation

Lenz, H. O. Gemeinnützige Naturgeschichte. Becker.

Chicago Style (17th ed.) Citation

Lenz, Harald Othmar. Gemeinnützige Naturgeschichte. Gotha: Becker.

MLA (9th ed.) Citation

Lenz, Harald Othmar. Gemeinnützige Naturgeschichte. Becker.

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