APA
Nitrogen In Crop Production Proceedings Of A Symposium Held 25 27 May 1982 At Sheffield Alabama Sponsored By The National Fertilizer Development Center Of The Tennessee Valley Authority Et Al Roland D Hauck Editor In Chief. : Madison Wis. : American Society Of Agronomy 1984.
Chicago
Nitrogen In Crop Production Proceedings Of A Symposium Held 25 27 May 1982 At Sheffield Alabama Sponsored By The National Fertilizer Development Center Of The Tennessee Valley Authority Et Al Roland D Hauck Editor In Chief. : Madison Wis. : American Society Of Agronomy 1984.
Harvard
Nitrogen In Crop Production Proceedings Of A Symposium Held 25 27 May 1982 At Sheffield Alabama Sponsored By The National Fertilizer Development Center Of The Tennessee Valley Authority Et Al Roland D Hauck Editor In Chief. : Madison Wis. : American Society Of Agronomy 1984.
MLA
: Madison Wis. : American Society Of Agronomy 1984. .
