APA

Lacey L. J., . (1951). Intermediate geometry. London: Macmillan.

Chicago

Lacey L J, . 1951. Intermediate geometry. London: Macmillan.

Harvard

Lacey L. J., . (1951). Intermediate geometry. London: Macmillan.

MLA

Lacey L J, . Intermediate geometry. London: Macmillan. 1951.