APA (7th ed.) Citation

Gruijter, J. J. d. (1977). Numerical classification of soils and its application in survey.

Chicago Style (17th ed.) Citation

Gruijter, J. J. de. Numerical Classification of Soils and Its Application in Survey. Wageningen, 1977.

MLA (9th ed.) Citation

Gruijter, J. J. de. Numerical Classification of Soils and Its Application in Survey. 1977.

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