Cita APA (7a ed.)

Muñoz Sastre, M. T., Mullet, E., & Sorum, P. C. (1999). Relationship between cigarette dose and perceived risk of lung cancer. [s.n.].

Cita Chicago Style (17a ed.)

Muñoz Sastre, María Teresa, Etienne Mullet, y Paul Clay Sorum. Relationship Between Cigarette Dose and Perceived Risk of Lung Cancer. [S.l.]: [s.n.], 1999.

Cita MLA (9a ed.)

Muñoz Sastre, María Teresa, et al. Relationship Between Cigarette Dose and Perceived Risk of Lung Cancer. [s.n.], 1999.