Cita APA

WESTERMAN, R. L. (1990). Soil testing and analysis. Soil Science sociaty America.

Citación estilo Chicago

WESTERMAN, R. L. Soil Testing and Analysis. Soil Science sociaty America, 1990.

Cita MLA

WESTERMAN, R. L. Soil Testing and Analysis. Soil Science sociaty America, 1990.

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