APA (7th ed.) Citation

Kalaba, R. E., & Sridhar, R. (1968). Invariant imbedding and the simplest problem in the calculus of variations. Rand Corporation.

Chicago Style (17th ed.) Citation

Kalaba, Robert E., and R. Sridhar. Invariant Imbedding and the Simplest Problem in the Calculus of Variations. Santa Monica, Calif.: Rand Corporation, 1968.

MLA (9th ed.) Citation

Kalaba, Robert E., and R. Sridhar. Invariant Imbedding and the Simplest Problem in the Calculus of Variations. Rand Corporation, 1968.