APA-referens

Greely, R. (1994). Planetary landscape: :2nd ed (2nd ed.). Chapman & Hall.

Chicago-stil citat

Greely, Ronald. Planetary Landscape: :2nd Ed. 2nd ed. New York: Chapman & Hall, 1994.

MLA-referens

Greely, Ronald. Planetary Landscape: :2nd Ed. 2nd ed. Chapman & Hall, 1994.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.