APA (7th ed.) Citation

Purnell, H. (1962). Gas chromatography. Wiley.

Chicago Style (17th ed.) Citation

Purnell, Howard. Gas Chromatography. New York, NY [u.a.]: Wiley, 1962.

MLA (9th ed.) Citation

Purnell, Howard. Gas Chromatography. Wiley, 1962.

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