Cita APA

Porter, R. D., & Guild, W. R. (1976). Characterization of some pneumococcal bacteriophages.

Citación estilo Chicago

Porter, R D., y W R. Guild. Characterization of Some Pneumococcal Bacteriophages. 1976.

Cita MLA

Porter, R D., y W R. Guild. Characterization of Some Pneumococcal Bacteriophages. 1976.