APA (7th ed.) Citation

Hardin, E., & Borus, M. E. (1971). The economic benefits and costs of retraining. Heath.

Chicago Style (17th ed.) Citation

Hardin, Einar, and Michael E. Borus. The Economic Benefits and Costs of Retraining. Lexington, Mass: Heath, 1971.

MLA (9th ed.) Citation

Hardin, Einar, and Michael E. Borus. The Economic Benefits and Costs of Retraining. Heath, 1971.