APA

Hartzema A. G., Porta M. & Tilson H. H. (1998). Pharmacoepidemiology :and introduction / Abraham G. Hartzema. Cincinnati: Harvey Whitney Books Company.

Chicago

Hartzema Abraham G, Porta Miguel and Tilson Hugh H. 1998. Pharmacoepidemiology :and introduction / Abraham G. Hartzema. Cincinnati: Harvey Whitney Books Company.

Harvard

Hartzema A. G., Porta M. and Tilson H. H. (1998). Pharmacoepidemiology :and introduction / Abraham G. Hartzema. Cincinnati: Harvey Whitney Books Company.

MLA

Hartzema Abraham G, Porta Miguel and Tilson Hugh H. Pharmacoepidemiology :and introduction / Abraham G. Hartzema. Cincinnati: Harvey Whitney Books Company. 1998.