Cita APA (7th ed.)

Gray, C. (1960). Laboratory handbook of toxic agents. Prentice - hall.

Cita Chicago (17th ed.)

Gray, C.H. Laboratory Handbook of Toxic Agents. New Jersey: Prentice - hall, 1960.

Cita MLA (9th ed.)

Gray, C.H. Laboratory Handbook of Toxic Agents. Prentice - hall, 1960.