Cita APA

Erskine, R., Fleming, A. D., Morrison, A. S., Clark, A. J., & Hastings, J. L. (1976). Emergency medical care.

Chicago Style Citation

Erskine, R., A D. Fleming, A S. Morrison, A J. Clark, i J L. Hastings. Emergency Medical Care. 1976.

Cita MLA

Erskine, R., et al. Emergency Medical Care. 1976.