Cita APA (7a ed.)

Willett, J., & Kealey, D. (1987). Gas chromatography. Wiley.

Cita Chicago Style (17a ed.)

Willett, John, y D. Kealey. Gas Chromatography. Chichester: Wiley, 1987.

Cita MLA (9a ed.)

Willett, John, y D. Kealey. Gas Chromatography. Wiley, 1987.