Παραπομπή APA

King, E. A. (1976). Space geology: An introduction. Wiley Eastern.

Παραπομπή Chicago Style

King, Elbert A. Space Geology: An Introduction. New York: Wiley Eastern, 1976.

Παραπομπή MLA

King, Elbert A. Space Geology: An Introduction. Wiley Eastern, 1976.