APA引文

TROEH, F. R., HOBBS, J. A., & DONAHOUE, R. L. (1980). Soil and water conservation: For productivity and environmental protection. Prentice-Hall.

Chicago Style (17th ed.) Citation

TROEH, Frederick R., J. Arthur HOBBS, and Roy L. DONAHOUE. Soil and Water Conservation: For Productivity and Environmental Protection. Englewood Cliffs: Prentice-Hall, 1980.

MLA引文

TROEH, Frederick R., et al. Soil and Water Conservation: For Productivity and Environmental Protection. Prentice-Hall, 1980.