Findlay, A., Campbell, A. N., & Smith, N. O. (1951). The phase rule and its applications (9. ed.). Dover.
Chicago Style (17th ed.) CitationFindlay, Alexander, A. N. Campbell, and N. O. Smith. The Phase Rule and Its Applications. 9. ed. New York: Dover, 1951.
MLA (9th ed.) CitationFindlay, Alexander, et al. The Phase Rule and Its Applications. 9. ed. Dover, 1951.