Citazione APA

Donahue, R. L. (1977). Soils: An introduction to soils and plant growth. Englewood Cliffs, New Jersey: Prentice-Hall.

Stile di citazione Chicago

Donahue, Roy L. Soils: An Introduction to Soils and Plant Growth. Englewood Cliffs, New Jersey: Prentice-Hall, 1977.

Citazione MLA

Donahue, Roy L. Soils: An Introduction to Soils and Plant Growth. Englewood Cliffs, New Jersey: Prentice-Hall, 1977.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.