APA (7th ed.) Citation

Avery, B. W. (1980). Soil classification for England and Wales: [higher categories]. Soil Survey.

Chicago Style (17th ed.) Citation

Avery, B. W. Soil Classification for England and Wales: [higher Categories]. Harpenden: Soil Survey, 1980.

MLA (9th ed.) Citation

Avery, B. W. Soil Classification for England and Wales: [higher Categories]. Soil Survey, 1980.

Warning: These citations may not always be 100% accurate.