Cita APA (7th ed.)

Munafò, M., & Johnstone, E. (2008). Genes and cigarette smoking.

Cita Chicago (17th ed.)

Munafò, MR, i E. Johnstone. Genes and Cigarette Smoking. 2008.

Cita MLA (9th ed.)

Munafò, MR, i E. Johnstone. Genes and Cigarette Smoking. 2008.

Atenció: Aquestes cites poden no estar 100% correctes.