Steinback, J. (1957). Cup of gold: A life of Sir Henry Morgan, Buccaneer,with occasinal reference to history. Penguin.
Citazione stile Chigago Style (17a edizione)Steinback, John. Cup of Gold: A Life of Sir Henry Morgan, Buccaneer,with Occasinal Reference to History. Harmendsworth: Penguin, 1957.
Citatione MLA (9a ed.)Steinback, John. Cup of Gold: A Life of Sir Henry Morgan, Buccaneer,with Occasinal Reference to History. Penguin, 1957.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.