APA

Hepler O. E., . (1949). Manual of clinical laboratory methods. Springfield, Ill: C. C. Thomas.

Chicago

Hepler Opal Elsie, . 1949. Manual of clinical laboratory methods. Springfield, Ill: C. C. Thomas.

Harvard

Hepler O. E., . (1949). Manual of clinical laboratory methods. Springfield, Ill: C. C. Thomas.

MLA

Hepler Opal Elsie, . Manual of clinical laboratory methods. Springfield, Ill: C. C. Thomas. 1949.