Cita APA (7a ed.)

Segreda, G. (1970). Instructor's manual: Spanish listening speaking reading listening. Harcourt Brace and Worl.

Cita Chicago Style (17a ed.)

Segreda, Guillermo. Instructor's Manual: Spanish Listening Speaking Reading Listening. New York, Estados Unidos: Harcourt Brace and Worl, 1970.

Cita MLA (9a ed.)

Segreda, Guillermo. Instructor's Manual: Spanish Listening Speaking Reading Listening. Harcourt Brace and Worl, 1970.