APA Edition Citation

Heyerdahl, T. (1971). Ra expeditions tr by Patricia Crampton.

Chicago Edition Citation

Heyerdahl, Thor. Ra Expeditions Tr by Patricia Crampton. 1971.

MLA Edition Citation

Heyerdahl, Thor. Ra Expeditions Tr by Patricia Crampton. 1971.

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