Penggayaan APA

ZIMDAHL, Robert L.. (2015). Six chemicals that changed agriculture . Amsterdam: Elsevier.

Chicago Style

ZIMDAHL, Robert L.. Six chemicals that changed agriculture. Amsterdam: Elsevier, 2015. Buku.

MLA Style

ZIMDAHL, Robert L.. Six chemicals that changed agriculture. Amsterdam: Elsevier, 2015. Buku.

Turabian Style

ZIMDAHL, Robert L.. Six chemicals that changed agriculture. Amsterdam: Elsevier, 2015. Buku.