Cita APA (7a ed.)
Cordan, W. (1964). Secret of the forest: On the track of Maya temples (1st. ed. in the U.S.). Doubleday.
Cita Chicago Style (17a ed.)
Cordan, Wolfgang. Secret of the Forest: On the Track of Maya Temples. 1st. ed. in the U.S. Garden City, N.Y.: Doubleday, 1964.
Cita MLA (9a ed.)
Cordan, Wolfgang. Secret of the Forest: On the Track of Maya Temples. 1st. ed. in the U.S. Doubleday, 1964.
Precaución: Estas citas no son 100% exactas.