APA (7th ed.) Citation

Comber, N. M. (1936). An introduction to the scientific study of the soil (3rd ed.). E. Arnold & co..

Chicago Style (17th ed.) Citation

Comber, Norman Mederson. An Introduction to the Scientific Study of the Soil. 3rd ed. London: E. Arnold & co., 1936.

MLA (9th ed.) Citation

Comber, Norman Mederson. An Introduction to the Scientific Study of the Soil. 3rd ed. E. Arnold & co., 1936.