Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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