APA

Epstein W., . (1967). Varieties of perceptual learning. New York: McGraw-Hill.

Chicago

Epstein William, . 1967. Varieties of perceptual learning. New York: McGraw-Hill.

Harvard

Epstein W., . (1967). Varieties of perceptual learning. New York: McGraw-Hill.

MLA

Epstein William, . Varieties of perceptual learning. New York: McGraw-Hill. 1967.