Cita APA (7a ed.)

Graham, J. (1942). Las célebres cartas de Graham (Letters from a self made merchant to his son) (34ª ed.). Trajano.

Cita Chicago Style (17a ed.)

Graham, John. Las Célebres Cartas De Graham (Letters from a Self Made Merchant to His Son). 34ª ed. Buenos Aires: Trajano, 1942.

Cita MLA (8a ed.)

Graham, John. Las Célebres Cartas De Graham (Letters from a Self Made Merchant to His Son). 34ª ed. Trajano, 1942.