APA (7th ed.) Citation

Crook, G. H., & Heinstein, M. I. (1980). The older worker in industry. Arno Press.

Chicago Style (17th ed.) Citation

Crook, G. Hamilton, and Martin I. Heinstein. The Older Worker in Industry. New York: Arno Press, 1980.

MLA (9th ed.) Citation

Crook, G. Hamilton, and Martin I. Heinstein. The Older Worker in Industry. Arno Press, 1980.