APA

Erickson C. E., . (1947). A basic text for guidance workers. New York: Prentice-Hall.

Chicago

Erickson Clifford Eric, . 1947. A basic text for guidance workers. New York: Prentice-Hall.

Harvard

Erickson C. E., . (1947). A basic text for guidance workers. New York: Prentice-Hall.

MLA

Erickson Clifford Eric, . A basic text for guidance workers. New York: Prentice-Hall. 1947.