APA aipamena

Akil, H., Herz, A., & Simon, E. J. (1993). Opioids. Springer-Verlag.

Chicago Style aipamena

Akil, Huda, Albert Herz, and Eric J. Simon. Opioids. Berlin: Springer-Verlag, 1993.

MLA aipamena

Akil, Huda, et al. Opioids. Springer-Verlag, 1993.