APA

Gjerset K., . (1915). History of the Norwegian people. New York: Macmillan Company.

Chicago

Gjerset Knut, . 1915. History of the Norwegian people. New York: Macmillan Company.

Harvard

Gjerset K., . (1915). History of the Norwegian people. New York: Macmillan Company.

MLA

Gjerset Knut, . History of the Norwegian people. New York: Macmillan Company. 1915.