APA (7th ed.) Citation

Freye, E. (1987). Opioid agonists, antagonists and mixed narcotic analgesics: Theoretical background and considerations for practical use. Springer.

Chicago Style (17th ed.) Citation

Freye, E. Opioid Agonists, Antagonists and Mixed Narcotic Analgesics: Theoretical Background and Considerations for Practical Use. Berlin ; New York: Springer, 1987.

MLA (9th ed.) Citation

Freye, E. Opioid Agonists, Antagonists and Mixed Narcotic Analgesics: Theoretical Background and Considerations for Practical Use. Springer, 1987.