APA
Friedman P., . (1979). The under achievements. New York: Libra Publishers.
Chicago
Friedman Paul, . 1979. The under achievements. New York: Libra Publishers.
Harvard
Friedman P., . (1979). The under achievements. New York: Libra Publishers.
MLA
Friedman Paul, . The under achievements. New York: Libra Publishers. 1979.