APA citáció

Obál F. Jr, Opp M, Sáry Gyula, & Krueger J. M. (1990). Endocrine mechanisms in sleep regulation. The Hague.

Chicago Style (17th ed.) Citation

Obál F. Jr, Opp M, Sáry Gyula, and Krueger J. M. Endocrine Mechanisms in Sleep Regulation. SPB Academic Publishing: The Hague, 1990.

MLA idézés

Obál F. Jr, et al. Endocrine Mechanisms in Sleep Regulation. The Hague, 1990.