APA

Leavell H. R., Clark E. G., . (1953). Textbook of preventive medicine. New York: McGraw-Hill.

Chicago

Leavell Hugh Rodman, Clark Edwin Gurney, . 1953. Textbook of preventive medicine. New York: McGraw-Hill.

Harvard

Leavell H. R., Clark E. G., . (1953). Textbook of preventive medicine. New York: McGraw-Hill.

MLA

Leavell Hugh Rodman, Clark Edwin Gurney, . Textbook of preventive medicine. New York: McGraw-Hill. 1953.