Cita APA (7a ed.)

Ryan, K. J., & Ray, C. G. SHERRIS MEDICAL MICROBIOLOGY: AN INTRODUCTION TO INFECTIOUS DISEASES. McGraw-Hill Medical Publishing Division.

Cita Chicago Style (17a ed.)

Ryan, Kenneth J., y C. George Ray. SHERRIS MEDICAL MICROBIOLOGY: AN INTRODUCTION TO INFECTIOUS DISEASES. McGraw-Hill Medical Publishing Division.

Cita MLA (9a ed.)

Ryan, Kenneth J., y C. George Ray. SHERRIS MEDICAL MICROBIOLOGY: AN INTRODUCTION TO INFECTIOUS DISEASES. McGraw-Hill Medical Publishing Division.