APA
Boyd R. F., . (1984). General microbiology. St. Louis: Times Mirrow.
Chicago
Boyd Robert F, . 1984. General microbiology. St. Louis: Times Mirrow.
Harvard
Boyd R. F., . (1984). General microbiology. St. Louis: Times Mirrow.
MLA
Boyd Robert F, . General microbiology. St. Louis: Times Mirrow. 1984.