Cita APA (7th ed.)

(1982). I must defend my title / Robert Johnson, Jr.

Cita Chicago (17th ed.)

I Must Defend My Title / Robert Johnson, Jr. 1982.

Cita MLA (9th ed.)

I Must Defend My Title / Robert Johnson, Jr. 1982.

Atenció: Aquestes cites poden no estar 100% correctes.