APA (7th ed.) Citation

Phelps, G. (1964). The green horizons: Travels in Brazil. Simon and Schuster.

Chicago Style (17th ed.) Citation

Phelps, Gilbert. The Green Horizons: Travels in Brazil. New York: Simon and Schuster, 1964.

MLA (9th ed.) Citation

Phelps, Gilbert. The Green Horizons: Travels in Brazil. Simon and Schuster, 1964.