Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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