Citazione Stile APA (7a Edizione)

Porter, R. P. R., Jones, D., & Moore, E. (1971). Ferryboats of British Columbia: A sample study of an important transportation system ; an inductive study. Holt, Rinehart and Winston.

Citazione stile Chigago Style (17a edizione)

Porter, Richard P. R., David Jones, e Evelyn Moore. Ferryboats of British Columbia: A Sample Study of an Important Transportation System ; an Inductive Study. Toronto [u.a.]: Holt, Rinehart and Winston, 1971.

Citatione MLA (9a ed.)

Porter, Richard P. R., et al. Ferryboats of British Columbia: A Sample Study of an Important Transportation System ; an Inductive Study. Holt, Rinehart and Winston, 1971.