Citazione Stile APA (7a Edizione)

American Express. (1940). Manila and the Philippines (1940 ed.). American Express.

Citazione stile Chigago Style (17a edizione)

American Express. Manila and the Philippines. 1940 ed. [Manila]: American Express, 1940.

Citatione MLA (9a ed.)

American Express. Manila and the Philippines. 1940 ed. American Express, 1940.