APA (7. basım) Alıntı

Smil, V. Enriching the earth (First edition.). The MIT Press.

Chicago Style (17. basım) Atıf

Smil, Vaclav. Enriching the Earth. First edition. Cambridge: The MIT Press.

MLA (9th ed.) Atıf

Smil, Vaclav. Enriching the Earth. First edition. The MIT Press.