APA
Usdin Earl Ed, International conference on endorphins in mental health research (1977 : Puerto Rico), Bunney William E Ed & Kline Natham S Ed. (1979). Proceeding on endorphins in mental health research. London: Macmillan.
Chicago
Usdin Earl Ed, International conference on endorphins in mental health research (1977 : Puerto Rico), Bunney William E Ed and Kline Natham S Ed. 1979. Proceeding on endorphins in mental health research. London: Macmillan.
Harvard
Usdin Earl Ed, International conference on endorphins in mental health research (1977 : Puerto Rico), Bunney William E Ed and Kline Natham S Ed. (1979). Proceeding on endorphins in mental health research. London: Macmillan.
MLA
Usdin Earl Ed, International conference on endorphins in mental health research (1977 : Puerto Rico), Bunney William E Ed and Kline Natham S Ed. Proceeding on endorphins in mental health research. London: Macmillan. 1979.
