Cita APA (7a ed.)

Nef, E. S., & Harrison, R. E. (1945). Within the circle: Portrait of the Arctic. Charles Scribner's Sons.

Cita Chicago Style (17a ed.)

Nef, Evelyn Stefansson, y Richard Edes Harrison. Within the Circle: Portrait of the Arctic. New York: Charles Scribner's Sons, 1945.

Cita MLA (9a ed.)

Nef, Evelyn Stefansson, y Richard Edes Harrison. Within the Circle: Portrait of the Arctic. Charles Scribner's Sons, 1945.