APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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