APA (7th ed.) Citation

Schilling, G. F., & Moore, R. C. (1967). The twilight cusp extensions of Venus. Rand Corp..

Chicago Style (17th ed.) Citation

Schilling, G. F., and Roger Chandler Moore. The Twilight Cusp Extensions of Venus. Santa Monica, Calif.: Rand Corp., 1967.

MLA (9th ed.) Citation

Schilling, G. F., and Roger Chandler Moore. The Twilight Cusp Extensions of Venus. Rand Corp., 1967.