APA引文

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

Chicago Style (17th ed.) Citation

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

MLA引文

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