APA استشهاد

Petterssen, S. (1969). Introduction to meteorology (3rd ed.). McGraw-Hill.

استشهاد بنمط شيكاغو

Petterssen, Sverre. Introduction to Meteorology. 3rd ed. New York: McGraw-Hill, 1969.

MLA استشهاد

Petterssen, Sverre. Introduction to Meteorology. 3rd ed. McGraw-Hill, 1969.