APA (7th ed.) Citation

Comber, N. M. (1960). An introduction to the scientific study of the soil (4th ed.). E. Arnold.

Chicago Style (17th ed.) Citation

Comber, Norman Mederson. An Introduction to the Scientific Study of the Soil. 4th ed. London: E. Arnold, 1960.

MLA (9th ed.) Citation

Comber, Norman Mederson. An Introduction to the Scientific Study of the Soil. 4th ed. E. Arnold, 1960.