Cita APA

Upunda, G., & Yudkin, J. Guidelines to drug usage / G. Upunda, J. Yudkin, G. V. Brown. London : Macmillan.

Citación estilo Chicago

Upunda, G., y J. Yudkin. Guidelines to Drug Usage / G. Upunda, J. Yudkin, G. V. Brown. London : Macmillan.

Cita MLA

Upunda, G., y J. Yudkin. Guidelines to Drug Usage / G. Upunda, J. Yudkin, G. V. Brown. London : Macmillan.