APA (7th ed.) Citation

Roy, A. E. (1982). Orbital motion (2. ed.). Hilger.

Chicago Style (17th ed.) Citation

Roy, Archie E. Orbital Motion. 2. ed. Bristol: Hilger, 1982.

MLA (9th ed.) Citation

Roy, Archie E. Orbital Motion. 2. ed. Hilger, 1982.