Cita APA

Spector, T. D., Hart, D. J., Byrne, J., Harris, P. A., Dacre, J. E., & Doyle, D. V. (1993). Definition of osteoarthritis of the knee for epidemiological studies.

Chicago Style Citation

Spector, T D., D J. Hart, J. Byrne, P A. Harris, J E. Dacre, i D V. Doyle. Definition of Osteoarthritis of the Knee for Epidemiological Studies. 1993.

Cita MLA

Spector, T D., et al. Definition of Osteoarthritis of the Knee for Epidemiological Studies. 1993.