APA

Harang L., . (1951). The aurorae. New York: Wiley.

Chicago

Harang Leiv, . 1951. The aurorae. New York: Wiley.

Harvard

Harang L., . (1951). The aurorae. New York: Wiley.

MLA

Harang Leiv, . The aurorae. New York: Wiley. 1951.