APA引文

Knutson, K. L., Spiegel, K., Penev, P., & Van Cauter, E. (2007). The Metabolic Consequences of Sleep Deprivation.

Citação norma Chicago

Knutson, Kristen L., Karine Spiegel, Plamen Penev, and Eve Van Cauter. The Metabolic Consequences of Sleep Deprivation. 2007.

MLA引文

Knutson, Kristen L., Karine Spiegel, Plamen Penev, and Eve Van Cauter. The Metabolic Consequences of Sleep Deprivation. 2007.

警告：這些引文格式不一定是100％准確.