Cita APA (7th ed.)

Time-Life Books & Wheeler, K. (1977). The alaskans. Time-Life Books.

Cita Chicago (17th ed.)

Time-Life Books i Keith Wheeler. The Alaskans. Alexandria: Time-Life Books, 1977.

Cita MLA (9th ed.)

Time-Life Books i Keith Wheeler. The Alaskans. Time-Life Books, 1977.