Cita APA (7a ed.)

American Medical Association. Department of Graduate Medical Education. editor literario. (1967). Directory of approved internships and residencies 1967-68. A.M.A.

Cita Chicago Style (17a ed.)

American Medical Association. Department of Graduate Medical Education. editor literario. Directory of Approved Internships and Residencies 1967-68. Chicago: A.M.A, 1967.

Cita MLA (9a ed.)

American Medical Association. Department of Graduate Medical Education. editor literario. Directory of Approved Internships and Residencies 1967-68. A.M.A, 1967.