Cita APA (7th ed.)

Heen, E., & Kreuzer, R. (1962). Fish in nutrition. Fishing News.

Cita Chicago (17th ed.)

Heen, Eirik, i Rudolf Kreuzer. Fish in Nutrition. Londres: Fishing News, 1962.

Cita MLA (9th ed.)

Heen, Eirik, i Rudolf Kreuzer. Fish in Nutrition. Fishing News, 1962.