APA

Erickson C. E., . (1946). Guidance practices at work. New York, London: McGraw-Hill book co., inc.

Chicago

Erickson Clifford Eric, . 1946. Guidance practices at work. New York, London: McGraw-Hill book co., inc.

Harvard

Erickson C. E., . (1946). Guidance practices at work. New York, London: McGraw-Hill book co., inc.

MLA

Erickson Clifford Eric, . Guidance practices at work. New York, London: McGraw-Hill book co., inc. 1946.