APA (7th ed.) Citation

Pereira, G., Silva, J., & Monteiro, E. (2013). Positron emission tomography in the detection of occult primary head and neck carcinoma: A retrospective study.

Chicago Style (17th ed.) Citation

Pereira, G., JC Silva, and E. Monteiro. Positron Emission Tomography in the Detection of Occult Primary Head and Neck Carcinoma: A Retrospective Study. 2013.

MLA (8th ed.) Citation

Pereira, G., et al. Positron Emission Tomography in the Detection of Occult Primary Head and Neck Carcinoma: A Retrospective Study. 2013.