APA

Hardy H. L., . (1976). Epidemiology and detection of lead toxicity. New York: MSS Information Corporation.

Chicago

Hardy Harriet L, . 1976. Epidemiology and detection of lead toxicity. New York: MSS Information Corporation.

Harvard

Hardy H. L., . (1976). Epidemiology and detection of lead toxicity. New York: MSS Information Corporation.

MLA

Hardy Harriet L, . Epidemiology and detection of lead toxicity. New York: MSS Information Corporation. 1976.