APA

Leslie L. A., . (1977). 20,000+ words: spelled and divided for quick reference. New York, N.Y: Gregg Division, McGraw-Hill Book Company.

Chicago

Leslie Louis A, . 1977. 20,000+ words: spelled and divided for quick reference. New York, N.Y: Gregg Division, McGraw-Hill Book Company.

Harvard

Leslie L. A., . (1977). 20,000+ words: spelled and divided for quick reference. New York, N.Y: Gregg Division, McGraw-Hill Book Company.

MLA

Leslie Louis A, . 20,000+ words: spelled and divided for quick reference. New York, N.Y: Gregg Division, McGraw-Hill Book Company. 1977.