Cita APA (7a ed.)

Verster, J. C., & George, C. F. P. (2011). Sleep, sleepiness and traffic safety. Nova Science Publishers.

Cita Chicago Style (17a ed.)

Verster, Joris C., y Charles F. P. George. Sleep, Sleepiness and Traffic Safety. New York: Nova Science Publishers, 2011.

Cita MLA (8a ed.)

Verster, Joris C., y Charles F. P. George. Sleep, Sleepiness and Traffic Safety. Nova Science Publishers, 2011.