Cita APA (7th ed.)

Gottlob, G., Leone, N., & Scarcello, F. (1999). Hypertree Decompositions and Tractable Queries.

Cita Chicago (17th ed.)

Gottlob, G., N. Leone, i F. Scarcello. Hypertree Decompositions and Tractable Queries. 1999.

Cita MLA (9th ed.)

Gottlob, G., et al. Hypertree Decompositions and Tractable Queries. 1999.