JS, R., & ME, C. (1999). Concurrent progressive-ratio schedules to compare reinforcing effectiveness of different phencyclidine (PCP) concentrations in rhesus monkeys. Psychopharmacology, 144(2), 163. https://doi.org/10.1007/s002130050990
Chicago Style (17th ed.) CitationJS, Rodefer, and Carroll ME. "Concurrent Progressive-ratio Schedules to Compare Reinforcing Effectiveness of Different Phencyclidine (PCP) Concentrations in Rhesus Monkeys." Psychopharmacology 144, no. 2 (1999): 163. https://doi.org/10.1007/s002130050990.
MLA (9th ed.) CitationJS, Rodefer, and Carroll ME. "Concurrent Progressive-ratio Schedules to Compare Reinforcing Effectiveness of Different Phencyclidine (PCP) Concentrations in Rhesus Monkeys." Psychopharmacology, vol. 144, no. 2, 1999, p. 163, https://doi.org/10.1007/s002130050990.