Cita APA (7a ed.)

Heather, N., & Robertson, I. (1981). Controlled drinking. University paperbacks.

Cita Chicago Style (17a ed.)

Heather, Nick, y Ian Robertson. "Controlled Drinking." University Paperbacks 1981.

Cita MLA (9a ed.)

Heather, Nick, y Ian Robertson. "Controlled Drinking." University Paperbacks, 1981.