Citazione Stile APA (7a Edizione)

Helps, A. (1869). The life of Pizarro with some account of his associates in the conquest of Peru (2a. ed.). Bell and Daldy.

Citazione stile Chigago Style (17a edizione)

Helps, Arthur. The Life of Pizarro with Some Account of His Associates in the Conquest of Peru. 2a. ed. Londres: Bell and Daldy, 1869.

Citatione MLA (9a ed.)

Helps, Arthur. The Life of Pizarro with Some Account of His Associates in the Conquest of Peru. 2a. ed. Bell and Daldy, 1869.