Cita APA (7th ed.)

Calvins, I. (1980). Our ancestors: The Cloven Viscount, Baron in the trees, the non-existent knight. Picador.

Cita Chicago (17th ed.)

Calvins, Italo. Our Ancestors: The Cloven Viscount, Baron in the Trees, the Non-existent Knight. London: Picador, 1980.

Cita MLA (9th ed.)

Calvins, Italo. Our Ancestors: The Cloven Viscount, Baron in the Trees, the Non-existent Knight. Picador, 1980.