Cita APA (7a ed.)

Zeman, A., Britton, T., Douglas, N., Hansen, A., Hicks, J., Howard, R., . . . Zaiwalla, Z. (2004). Narcolepsy and excessive daytime sleepiness.

Cita Chicago Style (17a ed.)

Zeman, A., et al. Narcolepsy and Excessive Daytime Sleepiness. 2004.

Cita MLA (9a ed.)

Zeman, A., et al. Narcolepsy and Excessive Daytime Sleepiness. 2004.