Cita APA (7th ed.)

Spiegelhalder, K., Kyle, S., Prem, M., Feige, B., Nissen, C., Espie, C., & Riemann, D. (2009). Processing of sleep-related stimuli: Differences between good and poor sleepers.

Cita Chicago (17th ed.)

Spiegelhalder, K., S. Kyle, M. Prem, B. Feige, C. Nissen, C. Espie, i D. Riemann. Processing of Sleep-related Stimuli: Differences Between Good and Poor Sleepers. 2009.

Cita MLA (9th ed.)

Spiegelhalder, K., et al. Processing of Sleep-related Stimuli: Differences Between Good and Poor Sleepers. 2009.