APA (7th ed.) Citation

National Planning Association & Colm, G. (1956). The Employment act, past and future: A tenth anniversary symposium. [publisher not identified].

Chicago Style (17th ed.) Citation

National Planning Association and Gerhard Colm. The Employment Act, Past and Future: A Tenth Anniversary Symposium. Washington: [publisher not identified], 1956.

MLA (9th ed.) Citation

National Planning Association and Gerhard Colm. The Employment Act, Past and Future: A Tenth Anniversary Symposium. [publisher not identified], 1956.