Παραπομπή σε μορφή APA (7η εκδ.)
American Society of Agronomy, Crop Science Society of America (CSSA), Soil Science Society of America (SSSA), & Kimball B. A. (1990). Impact of carbon dioxide, trace gases, and climate change on global agriculture. American Society of Agronomy (ASA).
Παραπομπή σε μορφή Chicago (17η εκδ.)
American Society of Agronomy, Crop Science Society of America (CSSA), Soil Science Society of America (SSSA), και Kimball B. A. Impact of Carbon Dioxide, Trace Gases, and Climate Change on Global Agriculture. American Society of Agronomy (ASA), 1990.
Παραπομπή σε μορφή MLA (9th εκδ.)
American Society of Agronomy, et al. Impact of Carbon Dioxide, Trace Gases, and Climate Change on Global Agriculture. American Society of Agronomy (ASA), 1990.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.