APA (7th ed.) Citation

Colson, F. H. (1974). The week: An essay on the origin & development of the seven-day cycle. Greenwood Press.

Chicago Style (17th ed.) Citation

Colson, F. H. The Week: An Essay on the Origin & Development of the Seven-day Cycle. Westport, Conn.: Greenwood Press, 1974.

MLA (8th ed.) Citation

Colson, F. H. The Week: An Essay on the Origin & Development of the Seven-day Cycle. Greenwood Press, 1974.