Letter: Safety of nitrazepam.

MLA

Greenblatt, D. J., et al. “Letter: Safety of Nitrazepam.” Lancet (London, England), vol. 1, no. 7852, Feb. 1974, p. 315. EBSCOhost, https://doi.org/10.1016/s0140-6736(74)92624-5.

APA

Greenblatt, D. J., Shader, R. I., & Koch-Weser, J. (1974). Letter: Safety of nitrazepam. Lancet (London, England), 1(7852), 315. https://doi.org/10.1016/s0140-6736(74)92624-5

Chicago

Greenblatt, D J, R I Shader, and J Koch-Weser. 1974. “Letter: Safety of Nitrazepam.” Lancet (London, England) 1 (7852): 315. doi:10.1016/s0140-6736(74)92624-5.