Cita APA

Bernstien, A. E. (1950). Points from Letters: Aerosol Treatment with Penicillin.

Chicago Style Citation

Bernstien, A. E. Points From Letters: Aerosol Treatment With Penicillin. 1950.

Cita MLA

Bernstien, A. E. Points From Letters: Aerosol Treatment With Penicillin. 1950.

Atenció: Aquestes cites poden no estar 100% correctes.