Citazione Stile APA (7a Edizione)

Bear, F. E. (1964). Chemistry of the soil (2nd ed.). Oxford & IBH Publishing Co. Pvt. Ltd..

Citazione stile Chigago Style (17a edizione)

Bear, Firman E. Chemistry of the Soil. 2nd ed. New Delhi ; Bombay ; Calcutta: Oxford & IBH Publishing Co. Pvt. Ltd., 1964.

Citatione MLA (9a ed.)

Bear, Firman E. Chemistry of the Soil. 2nd ed. Oxford & IBH Publishing Co. Pvt. Ltd., 1964.