APA (7th ed.) Citation

Hansen, E., & Nielsen, H. F. (2007). Irregularities in modern English (2nd ed.). University Press of Southern Denmark.

Chicago Style (17th ed.) Citation

Hansen, Erik, and Hans Frede Nielsen. Irregularities in Modern English. 2nd ed. Odense: University Press of Southern Denmark, 2007.

MLA (9th ed.) Citation

Hansen, Erik, and Hans Frede Nielsen. Irregularities in Modern English. 2nd ed. University Press of Southern Denmark, 2007.