APA-viite

Gerhardsen, G. . M. (1949). Salted cod and related species. Pretty.

Chicago-tyylinen lähdeviittaus

Gerhardsen, G M. Salted Cod and Related Species. Washington: Pretty, 1949.

MLA-viite

Gerhardsen, G M. Salted Cod and Related Species. Pretty, 1949.