APA

Gray J. S., . (1952). Psychology in industry. New York: McGraw-Hill.

Chicago

Gray John Stanley, . 1952. Psychology in industry. New York: McGraw-Hill.

Harvard

Gray J. S., . (1952). Psychology in industry. New York: McGraw-Hill.

MLA

Gray John Stanley, . Psychology in industry. New York: McGraw-Hill. 1952.