APA (7th ed.) Citation

PF, C., AA, Q., FH, S., & KK, U. (1999). Osteosarcoma of the foot. Acta Orthopaedica Scandinavica, 70(4), 361.

Chicago Style (17th ed.) Citation

PF, Choong, Qureshi AA, Sim FH, and Unni KK. "Osteosarcoma of the Foot." Acta Orthopaedica Scandinavica 70, no. 4 (1999): 361.

MLA (9th ed.) Citation

PF, Choong, et al. "Osteosarcoma of the Foot." Acta Orthopaedica Scandinavica, vol. 70, no. 4, 1999, p. 361.