Essential elements and soil amendments for plants : sources and use for agriculture /

Chicago citation style
Severson, R. C. (Ronald Charles), 1945-. Essential elements and soil amendments for plants : sources and use for agriculture /. 1988. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/011394975. (Accessed December 13, 2018.)
APA citation style
Severson, R. C. (Ronald Charles), 1945-, (1988) Essential elements and soil amendments for plants : sources and use for agriculture /. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/011394975
MLA citation style
Severson, R. C. (Ronald Charles), 1945-. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/011394975>.
Note: These citations are programmatically generated and may be incomplete.