APA (7th ed.) Citation

Sollfrey, W. (1966). On a Bessel function integral. Rand Corporation.

Chicago Style (17th ed.) Citation

Sollfrey, W. On a Bessel Function Integral. Santa Monica, Calif.: Rand Corporation, 1966.

MLA (9th ed.) Citation

Sollfrey, W. On a Bessel Function Integral. Rand Corporation, 1966.