APA (7th ed.) Citation

Prottengeier, A. E. (1956). From Lisbon to Calicut. University of Minnesota Press.

Chicago Style (17th ed.) Citation

Prottengeier, Alvin E. From Lisbon to Calicut. Minneapolis: University of Minnesota Press, 1956.

MLA (9th ed.) Citation

Prottengeier, Alvin E. From Lisbon to Calicut. University of Minnesota Press, 1956.