APA (7th ed.) Citation

Cross, F. L., & Hennigan, S. M. (1974). National directory: Environmental impact experts, consultants, regulatory agencies. Technomic Pub. Co..

Chicago Style (17th ed.) Citation

Cross, Frank L., and Susan M. Hennigan. National Directory: Environmental Impact Experts, Consultants, Regulatory Agencies. Westport, Conn.: Technomic Pub. Co., 1974.

MLA (9th ed.) Citation

Cross, Frank L., and Susan M. Hennigan. National Directory: Environmental Impact Experts, Consultants, Regulatory Agencies. Technomic Pub. Co., 1974.