APA aipamena

Gottlob, G., Koch, C., & Schulz, K. (2006). Conjunctive Queries over Trees.

Chicago Style aipamena

Gottlob, G., C. Koch, and K. Schulz. Conjunctive Queries over Trees. 2006.

MLA aipamena

Gottlob, G., et al. Conjunctive Queries over Trees. 2006.