APA (7th ed.) Citation

Leontiev, Y., Ozsu, M. T., & Szafron, D. On type systems for object-oriented database programming languages. ACM computing surveys..

Chicago Style (17th ed.) Citation

Leontiev, Yuri, M. Tamer Ozsu, and Duane Szafron. "On Type Systems for Object-oriented Database Programming Languages." ACM Computing Surveys. .

MLA (9th ed.) Citation

Leontiev, Yuri, et al. "On Type Systems for Object-oriented Database Programming Languages." ACM Computing Surveys., .