Cita APA

Proprietary drugs. O.J. Willoughby [etc.].

Chicago Style (17th ed.) Citation

Proprietary Drugs. Atlanta, Ga.: O.J. Willoughby [etc.].

Cita MLA

Proprietary Drugs. O.J. Willoughby [etc.].

Atenció: Aquestes cites poden no estar 100% correctes.