A high propoxyphene concentration.

MLA

Eberhardt, R. D., et al. “A High Propoxyphene Concentration.” Journal of Analytical Toxicology, vol. 8, no. 5, Sept. 1984, pp. 246–47. EBSCOhost, https://doi.org/10.1093/jat/8.5.246.

APA

Eberhardt, R. D., Cash, D. K., & Oehldrich, J. R. (1984). A high propoxyphene concentration. Journal of Analytical Toxicology, 8(5), 246–247. https://doi.org/10.1093/jat/8.5.246

Chicago

Eberhardt, R D, D K Cash, and J R Oehldrich. 1984. “A High Propoxyphene Concentration.” Journal of Analytical Toxicology 8 (5): 246–47. doi:10.1093/jat/8.5.246.