APA Style
Sheaffer, C, C., Moncada, K, M. (2012).
Introduction to Agronomy Food, Crops, and Environment (second edition).
USA:
.
MLA Style
Sheaffer, Craig, C.., Moncada, Kristine, M..
"Introduction to Agronomy Food, Crops, and Environment".
second edition
USA:
,
2012.
Text.