APA (7th ed.) Citation

Kekulé, A. (1929). August Kekulé. Verl.Chemie.

Chicago Style (17th ed.) Citation

Kekulé, August. August Kekulé. Berlin: Verl.Chemie, 1929.

MLA (9th ed.) Citation

Kekulé, August. August Kekulé. Verl.Chemie, 1929.

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