APA aipamena

Calvino, I., & Colquhoun, A. (1980). Our Ancestors (1st.). Picador.

Chicago Style aipamena

Calvino, Italo, and Archibald Colquhoun. Our Ancestors. 1st. London: Picador, 1980.

MLA aipamena

Calvino, Italo, and Archibald Colquhoun. Our Ancestors. 1st. Picador, 1980.