APA (7th ed.) Citation

Roy, A. E. (1988). Orbital Motion (3rd ed.). A. Hilger.

Chicago Style (17th ed.) Citation

Roy, A. E. Orbital Motion. 3rd ed. Bristol, England : Philadelphia: A. Hilger, 1988.

MLA (9th ed.) Citation

Roy, A. E. Orbital Motion. 3rd ed. A. Hilger, 1988.