APA

Laufman H., Erichson R. B., . (1970). Hematologic problems in surgery. Philadelphia: W.B. Saunders Company.

Chicago

Laufman Harold, Erichson Robert B, . 1970. Hematologic problems in surgery. Philadelphia: W.B. Saunders Company.

Harvard

Laufman H., Erichson R. B., . (1970). Hematologic problems in surgery. Philadelphia: W.B. Saunders Company.

MLA

Laufman Harold, Erichson Robert B, . Hematologic problems in surgery. Philadelphia: W.B. Saunders Company. 1970.