APA (7th ed.) Citation

Kristjonsson, H. (1959). Modern fishing gear of the world. Fishing News Books.

Chicago Style (17th ed.) Citation

Kristjonsson, Hilmar. Modern Fishing Gear of the World. Londres: Fishing News Books, 1959.

MLA (9th ed.) Citation

Kristjonsson, Hilmar. Modern Fishing Gear of the World. Fishing News Books, 1959.