Hobson, E. W., Hudson, H. P., Singh, A. N., & Kempe, A. B. (1969). Squaring the circle and other monographs. Chelsea.
Chicago Style (17th ed.) CitationHobson, Ernest William, H. P. Hudson, A. N. Singh, and A. B. Kempe. Squaring the Circle and Other Monographs. New York: Chelsea, 1969.
MLA (9th ed.) CitationHobson, Ernest William, et al. Squaring the Circle and Other Monographs. Chelsea, 1969.