Citazione Stile APA (7a Edizione)

Under four flags: The story of Smith, Bell & Company in the Philippines. s.n.].

Citazione stile Chigago Style (17a edizione)

Under Four Flags: The Story of Smith, Bell & Company in the Philippines. [Bristol, England: s.n.].

Citatione MLA (9a ed.)

Under Four Flags: The Story of Smith, Bell & Company in the Philippines. s.n.].