APA

Nixon H., O'Donnell B., . (1966). <The >essentials of paediatric surgery. London: William Heinemann Medical Book.

Chicago

Nixon H.H, O'Donnell Barry, . 1966. <The >essentials of paediatric surgery. London: William Heinemann Medical Book.

Harvard

Nixon H., O'Donnell B., . (1966). <The >essentials of paediatric surgery. London: William Heinemann Medical Book.

MLA

Nixon H.H, O'Donnell Barry, . <The >essentials of paediatric surgery. London: William Heinemann Medical Book. 1966.