APA (7th ed.) Citation

Weerth, C. (1839). De generis humani varietatibus naturaliter ortis.

Chicago Style (17th ed.) Citation

Weerth, Carl. De Generis Humani Varietatibus Naturaliter Ortis. Gottingae, 1839.

MLA (9th ed.) Citation

Weerth, Carl. De Generis Humani Varietatibus Naturaliter Ortis. 1839.

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