Cita APA (7th ed.)

Pérez-Urbina, H., Horrocks, I., Motik, B., & Bernstein, A. (2009). Efficient Query Answering for OWL 2. Springer.

Cita Chicago (17th ed.)

Pérez-Urbina, H., I. Horrocks, B. Motik, i A. Bernstein. Efficient Query Answering for OWL 2. Springer, 2009.

Cita MLA (9th ed.)

Pérez-Urbina, H., et al. Efficient Query Answering for OWL 2. Springer, 2009.