APA (7th ed.) Citation

Ore, O. (1957). Niels Henrik Abel: Mathematician extraordinary. Univ. of Minnesota Press.

Chicago Style (17th ed.) Citation

Ore, Oystein. Niels Henrik Abel: Mathematician Extraordinary. Minneapolis: Univ. of Minnesota Press, 1957.

MLA (9th ed.) Citation

Ore, Oystein. Niels Henrik Abel: Mathematician Extraordinary. Univ. of Minnesota Press, 1957.

Warning: These citations may not always be 100% accurate.