APA

Dreikurs R., . (19461962). The challenge of marriage. New York: Duell, Sloan and Pearce (Eigbtb Printing,February 1962).

Chicago

Dreikurs Rudolf, . 19461962. The challenge of marriage. New York: Duell, Sloan and Pearce (Eigbtb Printing,February 1962).

Harvard

Dreikurs R., . (19461962). The challenge of marriage. New York: Duell, Sloan and Pearce (Eigbtb Printing,February 1962).

MLA

Dreikurs Rudolf, . The challenge of marriage. New York: Duell, Sloan and Pearce (Eigbtb Printing,February 1962). 19461962.