Cita APA (7th ed.)

Burroughs, W. S., & Ginsberg, A. (1971). Cartas del Yage. Signos.

Cita Chicago (17th ed.)

Burroughs, William Seward, i Allen Ginsberg. Cartas Del Yage. Buenos Aires: Signos, 1971.

Cita MLA (9th ed.)

Burroughs, William Seward, i Allen Ginsberg. Cartas Del Yage. Signos, 1971.