APA-Zitierstil (7. Ausg.)

Sittig, M., & Noyes, R. (1986). GENETIC ENGINEERING AND BIOTECHNOLOGY RELATED FIRMS. WORLDWIDE DIRECTORY (5th Ed.). Sitting and Noyes.

Chicago-Zitierstil (17. Ausg.)

Sittig, Marshall, und Robert Noyes. GENETIC ENGINEERING AND BIOTECHNOLOGY RELATED FIRMS. WORLDWIDE DIRECTORY. 5th Ed. Kingston: Sitting and Noyes, 1986.

MLA-Zitierstil (9. Ausg.)

Sittig, Marshall, und Robert Noyes. GENETIC ENGINEERING AND BIOTECHNOLOGY RELATED FIRMS. WORLDWIDE DIRECTORY. 5th Ed. Sitting and Noyes, 1986.