Cita APA (7a ed.)

Hella, L. Logics with aggregate operators. Journal of the ACM.

Cita Chicago Style (17a ed.)

Hella, Lauri. "Logics with Aggregate Operators." Journal of the ACM .

Cita MLA (9a ed.)

Hella, Lauri. "Logics with Aggregate Operators." Journal of the ACM, .