Cita APA

Pinkham, C. B. (1940). Subject: On use of title “Doctor,” or its abbreviations.

Chicago Style Citation

Pinkham, C. B. Subject: On Use of Title “Doctor,” or Its Abbreviations. 1940.

Cita MLA

Pinkham, C. B. Subject: On Use of Title “Doctor,” or Its Abbreviations. 1940.

Atenció: Aquestes cites poden no estar 100% correctes.