Cita APA (7th ed.)

Kennedy, I. (1992). Acid soil and acid rain. (2nd ed.). Research Studies Pr..

Cita Chicago (17th ed.)

Kennedy, I.R. Acid Soil and Acid Rain. 2nd ed. Taunton: Research Studies Pr., 1992.

Cita MLA (9th ed.)

Kennedy, I.R. Acid Soil and Acid Rain. 2nd ed. Research Studies Pr., 1992.

Atenció: Aquestes cites poden no estar 100% correctes.