Cita APA (7a ed.)

Westmaas, J. L., Nath, V., & Brandon, T. H. (2000). Contemporary smoking cessation. [s.n.].

Cita Chicago Style (17a ed.)

Westmaas, J. Lee, Vani Nath, y Thomas H. Brandon. Contemporary Smoking Cessation. [S.l.]: [s.n.], 2000.

Cita MLA (9a ed.)

Westmaas, J. Lee, et al. Contemporary Smoking Cessation. [s.n.], 2000.