Cita APA (7th ed.)

Canter, L. W. (1997). Nitrates in groundwater. CRC.

Cita Chicago (17th ed.)

Canter, Larry W. Nitrates in Groundwater. Boca Ratón, FL., USA: CRC, 1997.

Cita MLA (9th ed.)

Canter, Larry W. Nitrates in Groundwater. CRC, 1997.