APA

Blos P., . (1979). The adolescent passage: developmental issues. New York: International Universities Press.

Chicago

Blos Peter, . 1979. The adolescent passage: developmental issues. New York: International Universities Press.

Harvard

Blos P., . (1979). The adolescent passage: developmental issues. New York: International Universities Press.

MLA

Blos Peter, . The adolescent passage: developmental issues. New York: International Universities Press. 1979.