Cita APA (7a ed.)

Purnell, H. (1962). Gas, chromatography. John Wiley & Sons.

Cita Chicago Style (17a ed.)

Purnell, Howard. Gas, Chromatography. New York: John Wiley & Sons, 1962.

Cita MLA (9a ed.)

Purnell, Howard. Gas, Chromatography. John Wiley & Sons, 1962.