APA citiranje

Wertheimer, A. I., & Knoben, J. E. (1973). The mail-order prescription drug industry.

Citação norma Chicago

Wertheimer, A I., and J E. Knoben. The Mail-order Prescription Drug Industry. 1973.

MLA citiranje

Wertheimer, A I., and J E. Knoben. The Mail-order Prescription Drug Industry. 1973.