Cita APA (7th ed.)

Donahue, R. L. (1958). Soils: An introduction to soils and plant growth. Prentice-Hall.

Cita Chicago (17th ed.)

Donahue, Roy L. Soils: An Introduction to Soils and Plant Growth. Englewood Cliffs: Prentice-Hall, 1958.

Cita MLA (9th ed.)

Donahue, Roy L. Soils: An Introduction to Soils and Plant Growth. Prentice-Hall, 1958.