Citazione Stile APA (7a Edizione)

Hardy, A. C. (1959). The open sea: Its natural history. Collins.

Citazione stile Chigago Style (17a edizione)

Hardy, Alister Clavering. The Open Sea: Its Natural History. Londres: Collins, 1959.

Citatione MLA (9a ed.)

Hardy, Alister Clavering. The Open Sea: Its Natural History. Collins, 1959.