APA

Leedy P. D., . (1956). Reading improvement for adults. New York: McGraw-Hill.

Chicago

Leedy Paul D, . 1956. Reading improvement for adults. New York: McGraw-Hill.

Harvard

Leedy P. D., . (1956). Reading improvement for adults. New York: McGraw-Hill.

MLA

Leedy Paul D, . Reading improvement for adults. New York: McGraw-Hill. 1956.