APA

The Nature of the firm, Coase R. H., Williamson O. E. & Winter Sidney G. (1991). The Nature of the firm. \New York: Oxford University Press.

Chicago

The Nature of the firm, Coase R H, Williamson Oliver E and Winter Sidney G. 1991. The Nature of the firm. \New York: Oxford University Press.

Harvard

The Nature of the firm, Coase R. H., Williamson O. E. and Winter Sidney G. (1991). The Nature of the firm. \New York: Oxford University Press.

MLA

The Nature of the firm, Coase R H, Williamson Oliver E and Winter Sidney G. The Nature of the firm. \New York: Oxford University Press. 1991.