Formatos de citas

MLA

Urquidi, Víctor L. Sidney Dell. Trade Blocs and Common Markets. Nueva York : Alfred A. Knopf, 1963. 384 P. , 1964.

APA

Urquidi, V. (1964). Sidney Dell. Trade blocs and common markets. Nueva York : Alfred A. Knopf, 1963. 384 p.

Chicago

Urquidi, Víctor L. 1964. Sidney Dell. Trade Blocs and Common Markets. Nueva York : Alfred A. Knopf, 1963. 384 P.