APA (7th ed.) Citation

Herz, A., Akil, H., & Simon, E. J. (1993). Opioids II. Springer Berlin Heidelberg.

Chicago Style (17th ed.) Citation

Herz, Albert, H. Akil, and Eric J. Simon. Opioids II. Berlin, Heidelberg: Springer Berlin Heidelberg, 1993.

MLA (9th ed.) Citation

Herz, Albert, et al. Opioids II. Springer Berlin Heidelberg, 1993.