APA (7th ed.) Citation

Arias, D., Whitmire, A., Leveton, L., & Orr, M. (2011). Slow Wave Sleep and Long Duration Spaceflight.

Chicago Style (17th ed.) Citation

Arias, D., A. Whitmire, L. Leveton, and M. Orr. Slow Wave Sleep and Long Duration Spaceflight. 2011.

MLA (9th ed.) Citation

Arias, D., et al. Slow Wave Sleep and Long Duration Spaceflight. 2011.