APA (7th ed.) Citation

Elrod, D. A., Darby, R., & Morrison, G. (1988). Entrance and exit region friction factor models for annular seal analysis.

Chicago Style (17th ed.) Citation

Elrod, David Alan, Ron Darby, and Gerald Morrison. Entrance and Exit Region Friction Factor Models for Annular Seal Analysis. 1988.

MLA (9th ed.) Citation

Elrod, David Alan, et al. Entrance and Exit Region Friction Factor Models for Annular Seal Analysis. 1988.