Breña, R. (2004). The story of a friendship and the quarrel that ended it. El Colegio de México A.C.
Cita Chicago Style (17a ed.)Breña, Roberto. The Story of a Friendship and the Quarrel That Ended It. El Colegio de México A.C, 2004.
Cita MLA (9a ed.)Breña, Roberto. The Story of a Friendship and the Quarrel That Ended It. El Colegio de México A.C, 2004.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.