Cita APA (7a ed.)

Purnell, J. (1968). Progress in gas chromatography (1st edition.). Interscience.

Cita Chicago Style (17a ed.)

Purnell, J.H. Progress in Gas Chromatography. 1st edition. New York: Interscience, 1968.

Cita MLA (8a ed.)

Purnell, J.H. Progress in Gas Chromatography. 1st edition. Interscience, 1968.