APA (7th ed.) Citation

Heyerdahl, T., & Skjølsvold, A. (1990). Archaeological evidence of pre-Spanish visits to the Galápagos Islands: English and Spanish texts. Norwegian University Press, Institute for Comparative Research in Human Culture.

Chicago Style (17th ed.) Citation

Heyerdahl, Thor, and Arne Skjølsvold. Archaeological Evidence of Pre-Spanish Visits to the Galápagos Islands: English and Spanish Texts. Oslo: Norwegian University Press, Institute for Comparative Research in Human Culture, 1990.

MLA (9th ed.) Citation

Heyerdahl, Thor, and Arne Skjølsvold. Archaeological Evidence of Pre-Spanish Visits to the Galápagos Islands: English and Spanish Texts. Norwegian University Press, Institute for Comparative Research in Human Culture, 1990.