APA

Heyerdahl T., . (1950). The Knon-Tiki expedition. London: The reprint society.

Chicago

Heyerdahl Thor, . 1950. The Knon-Tiki expedition. London: The reprint society.

Harvard

Heyerdahl T., . (1950). The Knon-Tiki expedition. London: The reprint society.

MLA

Heyerdahl Thor, . The Knon-Tiki expedition. London: The reprint society. 1950.