APA (7th ed.) Citation

Cheong, M., Chan, C., Saw, L., & Kwan, M. (2009). Pneumocranium secondary to halo vest pin penetration through an enlarged frontal sinus.

Chicago Style (17th ed.) Citation

Cheong, M.L, C.Y.W Chan, L.B Saw, and M.K Kwan. Pneumocranium Secondary to Halo Vest Pin Penetration Through an Enlarged Frontal Sinus. 2009.

MLA (9th ed.) Citation

Cheong, M.L, et al. Pneumocranium Secondary to Halo Vest Pin Penetration Through an Enlarged Frontal Sinus. 2009.