APA (7th ed.) Citation

Isler, O. Die Chemie des Vitamin A. Swiss Chemical Society.

Chicago Style (17th ed.) Citation

Isler, O. Die Chemie Des Vitamin A. Swiss Chemical Society.

MLA (9th ed.) Citation

Isler, O. Die Chemie Des Vitamin A. Swiss Chemical Society.

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