APA (7th ed.) Citation

Sommerfelt, A. A. (1984). Norwegian: A book of self-instruction in the Norwegian Riksmål (New ed., 14th impr.). Hodder and Stoughton.

Chicago Style (17th ed.) Citation

Sommerfelt, Alf Axelssøn. Norwegian: A Book of Self-instruction in the Norwegian Riksmål. New ed., 14th impr. London: Hodder and Stoughton, 1984.

MLA (9th ed.) Citation

Sommerfelt, Alf Axelssøn. Norwegian: A Book of Self-instruction in the Norwegian Riksmål. New ed., 14th impr. Hodder and Stoughton, 1984.