Citazione Stile APA (7a Edizione)

Irving, W. (1856). Astoria or, Anecdotes of an enterprise beyond the Rocky Mountains (2a. ed.). G. P. Putnam & Co.

Citazione stile Chigago Style (17a edizione)

Irving, Washington. Astoria or, Anecdotes of an Enterprise Beyond the Rocky Mountains. 2a. ed. Nueva York: G. P. Putnam & Co, 1856.

Citatione MLA (9a ed.)

Irving, Washington. Astoria or, Anecdotes of an Enterprise Beyond the Rocky Mountains. 2a. ed. G. P. Putnam & Co, 1856.