Cita APA

Marks, J. S., Palmer, M. K., Burke, M. J., & Smith, P. (1978). Observer variation in examination of knee joints.

Citación estilo Chicago

Marks, J S., M K. Palmer, M J. Burke, y P. Smith. Observer Variation in Examination of Knee Joints. 1978.

Cita MLA

Marks, J S., M K. Palmer, M J. Burke, y P. Smith. Observer Variation in Examination of Knee Joints. 1978.