Carroll, D. M., Evans, R., & Bendelow, V. C. (1977). Air photo-interpretation for soil mapping. Soil Survey.
Chicago Style (17th ed.) CitationCarroll, D. M., R. Evans, and V. C. Bendelow. Air Photo-interpretation for Soil Mapping. Harpenden: Soil Survey, 1977.
MLA (9th ed.) CitationCarroll, D. M., et al. Air Photo-interpretation for Soil Mapping. Soil Survey, 1977.
Warning: These citations may not always be 100% accurate.