Citazione APA

Fox, K. A., & Johnson, D. G. (1969). Reading in the economics of agriculture. George Allen & Unwin.

Stile di citazione Chicago

Fox, Karl A., e D. Gale Johnson. Reading in the Economics of Agriculture. London: George Allen & Unwin, 1969.

Citazione MLA

Fox, Karl A., e D. Gale Johnson. Reading in the Economics of Agriculture. George Allen & Unwin, 1969.