APA

Robertson J. S., . (1935). The income theory of prices. London: F. Warne & Co., ltd.

Chicago

Robertson John Sherwood, . 1935. The income theory of prices. London: F. Warne & Co., ltd.

Harvard

Robertson J. S., . (1935). The income theory of prices. London: F. Warne & Co., ltd.

MLA

Robertson John Sherwood, . The income theory of prices. London: F. Warne & Co., ltd. 1935.