Williams, S. G., Collen, J. F., & Lettieri, C. J. (2018). More Than Just a Good Night's Sleep. J Clin Sleep Med.
استشهاد بنمط شيكاغوWilliams, Scott G., Jacob F. Collen, و Christopher J. Lettieri. "More Than Just a Good Night's Sleep." J Clin Sleep Med 2018.
MLA استشهادWilliams, Scott G., Jacob F. Collen, و Christopher J. Lettieri. "More Than Just a Good Night's Sleep." J Clin Sleep Med 2018.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.