Cita APA

Nicol, C. S., Ridley, M., & Symonds, M. A. (1968). The problem of penicillin resistant gonococci.

Chicago Style Citation

Nicol, C S., M. Ridley, i M A. Symonds. The Problem of Penicillin Resistant Gonococci. 1968.

Cita MLA

Nicol, C S., M. Ridley, i M A. Symonds. The Problem of Penicillin Resistant Gonococci. 1968.