Vertregt, M. (1965). Principles of astronautics (2d, rev, ed.). Elsevier Pub. Co..
Chicago Style (17th ed.) CitationVertregt, M. Principles of Astronautics. 2d, rev, ed. Amsterdam, New York: Elsevier Pub. Co., 1965.
MLA (9th ed.) CitationVertregt, M. Principles of Astronautics. 2d, rev, ed. Elsevier Pub. Co., 1965.
Warning: These citations may not always be 100% accurate.