APA

Gardner E. J., Utah State University, . (1975). Principles of genetics. New York: John Wiley and Sons.

Chicago

Gardner Eldon J, Utah State University, . 1975. Principles of genetics. New York: John Wiley and Sons.

Harvard

Gardner E. J., Utah State University, . (1975). Principles of genetics. New York: John Wiley and Sons.

MLA

Gardner Eldon J, Utah State University, . Principles of genetics. New York: John Wiley and Sons. 1975.