APA (7th ed.) Citation

Kolář, J., Hartzema, A. G., Porta, M. S., & Tilson, H. H. Pharmacoepidemiology - An introduction.

Chicago Style (17th ed.) Citation

Kolář, J., A. G. Hartzema, M. S. Porta, and H. H. Tilson. Pharmacoepidemiology - An Introduction.

MLA (9th ed.) Citation

Kolář, J., et al. Pharmacoepidemiology - An Introduction.

Warning: These citations may not always be 100% accurate.