APA (7th ed.) Citation

John, W. Fettlösliche Vitamine. Chemie.

Chicago Style (17th ed.) Citation

John, Walter. Fettlösliche Vitamine. [Berlin]: Chemie.

MLA (9th ed.) Citation

John, Walter. Fettlösliche Vitamine. Chemie.

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