Citazione Stile APA (7a Edizione)

Bryce, G. (1910). The siege and conquest of the North Pole (1a. ed.). Gibbinsgs & Company limited.

Citazione stile Chigago Style (17a edizione)

Bryce, George. The Siege and Conquest of the North Pole. 1a. ed. Londres: Gibbinsgs & Company limited, 1910.

Citatione MLA (9a ed.)

Bryce, George. The Siege and Conquest of the North Pole. 1a. ed. Gibbinsgs & Company limited, 1910.