Citazione Stile APA (7a Edizione)

Hela, I., & Laevastu, T. (1961). Fisheries hydrography: How oceanography and meteorology can and do serve fisheries. Fishing news books.

Citazione stile Chigago Style (17a edizione)

Hela, Ilmo, e Taivo Laevastu. Fisheries Hydrography: How Oceanography and Meteorology Can and Do Serve Fisheries. Londres: Fishing news books, 1961.

Citatione MLA (9a ed.)

Hela, Ilmo, e Taivo Laevastu. Fisheries Hydrography: How Oceanography and Meteorology Can and Do Serve Fisheries. Fishing news books, 1961.