APA Citatie

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

Chicago Style citaat

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

MLA citatie

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

Let op: Deze citaties zijn niet altijd 100% accuraat.