APA (7th ed.) Citation

Sittig, M., & Noyes, R. (1981). Genetic engineering & biotechnology firms, U.S.A.-- 1981/82. Sittig and Noyes.

Chicago Style (17th ed.) Citation

Sittig, Marshall, and Robert Noyes. Genetic Engineering & Biotechnology Firms, U.S.A.-- 1981/82. Kingston, N.J.: Sittig and Noyes, 1981.

MLA (9th ed.) Citation

Sittig, Marshall, and Robert Noyes. Genetic Engineering & Biotechnology Firms, U.S.A.-- 1981/82. Sittig and Noyes, 1981.