Cita APA (7th ed.)

Gerlovich, J. A., & Downs, G. E. (1981). Better science through safety. Iowa State University Press.

Cita Chicago (17th ed.)

Gerlovich, Jack A., i Gary E. Downs. Better Science Through Safety. Ames, Iowa: Iowa State University Press, 1981.

Cita MLA (8th ed.)

Gerlovich, Jack A., i Gary E. Downs. Better Science Through Safety. Iowa State University Press, 1981.