APA Edition Citation

Heyerdahl, T. (1971). Ra Expeditions. George Allen & Unwin.

Chicago Edition Citation

Heyerdahl, Thor. Ra Expeditions. London: George Allen & Unwin, 1971.

MLA Edition Citation

Heyerdahl, Thor. Ra Expeditions. George Allen & Unwin, 1971.

Warning: These citations may not always be 100% accurate.