APA (7th ed.) Citation

Westerman, R. (1990). Soil testing and plant analysis (3rd ed.). Soil Science Society of America.

Chicago Style (17th ed.) Citation

Westerman, R.L. Soil Testing and Plant Analysis. 3rd ed. Madison [USA]: Soil Science Society of America, 1990.

MLA (8th ed.) Citation

Westerman, R.L. Soil Testing and Plant Analysis. 3rd ed. Soil Science Society of America, 1990.

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