Cita APA (7th ed.)

Wheatley, D. (1972). The ka of Gifford Hillary. Distributed by Heron Books.

Cita Chicago (17th ed.)

Wheatley, Dennis. The Ka of Gifford Hillary. [London]: Distributed by Heron Books, 1972.

Cita MLA (8th ed.)

Wheatley, Dennis. The Ka of Gifford Hillary. Distributed by Heron Books, 1972.