Citazione Stile APA (7a Edizione)

Tyarks, F. E. (1978). Travel routes around the world: The traveller's directory to passenger-carrying freighters world liners. Harian Pub.

Citazione stile Chigago Style (17a edizione)

Tyarks, Frederic E. Travel Routes Around the World: The Traveller's Directory to Passenger-carrying Freighters World Liners. New York: Harian Pub, 1978.

Citatione MLA (9a ed.)

Tyarks, Frederic E. Travel Routes Around the World: The Traveller's Directory to Passenger-carrying Freighters World Liners. Harian Pub, 1978.