Citazione Stile APA (7a Edizione)

Geyer-McAllister (Nowy Jork). (1923). Shipping Digest: Airshipping. International airline service. Geyer-McAllister.

Citazione stile Chigago Style (17a edizione)

Geyer-McAllister (Nowy Jork). Shipping Digest: Airshipping. International Airline Service. Nowy York: Geyer-McAllister, 1923.

Citatione MLA (9a ed.)

Geyer-McAllister (Nowy Jork). Shipping Digest: Airshipping. International Airline Service. Geyer-McAllister, 1923.