Cita APA

Boyd, W. (1958). George Lyman Duff: In Memoriam: (First Annual George Lyman Duff Memorial Lecture).

Chicago Style Citation

Boyd, William. George Lyman Duff: In Memoriam: (First Annual George Lyman Duff Memorial Lecture). 1958.

Cita MLA

Boyd, William. George Lyman Duff: In Memoriam: (First Annual George Lyman Duff Memorial Lecture). 1958.

Atenció: Aquestes cites poden no estar 100% correctes.