Style de citation APA (7e éd.)

Breña, R. (2004). The story of a friendship and the quarrel that ended it. El Colegio de México A.C.

Style de citation Chicago (17e éd.)

Breña, Roberto. The Story of a Friendship and the Quarrel That Ended It. El Colegio de México A.C, 2004.

Style de citation MLA (9e éd.)

Breña, Roberto. The Story of a Friendship and the Quarrel That Ended It. El Colegio de México A.C, 2004.