APA

(1968). Manual of preoperative and postoperative care. Philadelphia: W.B. Saunders Company.

Chicago

1968. Manual of preoperative and postoperative care. Philadelphia: W.B. Saunders Company.

Harvard

(1968). Manual of preoperative and postoperative care. Philadelphia: W.B. Saunders Company.

MLA

Manual of preoperative and postoperative care. Philadelphia: W.B. Saunders Company. 1968.