Style de citation APA (7e éd.)

Dixson, R. J. (1949). Direct English Conversation for foreign students: Book II. (1a. ed.). Latin American Institute Press, Inc.

Style de citation Chicago (17e éd.)

Dixson, Robert J. Direct English Conversation for Foreign Students: Book II. 1a. ed. Estados Unidos: Latin American Institute Press, Inc, 1949.

Style de citation MLA (9e éd.)

Dixson, Robert J. Direct English Conversation for Foreign Students: Book II. 1a. ed. Latin American Institute Press, Inc, 1949.