Cita APA (7th ed.)

KLINE, C. (1991). Chemistry at work in the Western States. McGraw-Hill.

Cita Chicago (17th ed.)

KLINE, Charles. Chemistry at Work in the Western States. New York: McGraw-Hill, 1991.

Cita MLA (9th ed.)

KLINE, Charles. Chemistry at Work in the Western States. McGraw-Hill, 1991.