Cita APA (7a ed.)

Ashton, H., & Stepney, R. (1982). Smoking, psychology and pharmacology. Tavistock.

Cita Chicago Style (17a ed.)

Ashton, Heather, y Rob Stepney. Smoking, Psychology and Pharmacology. London [etc.]: Tavistock, 1982.

Cita MLA (9a ed.)

Ashton, Heather, y Rob Stepney. Smoking, Psychology and Pharmacology. Tavistock, 1982.