Citazione APA

Gray, C. W., Sandifur, C. W., & Hanna, H. J. (1934). Fundamentals of chemistry (Rev. and el. ed.). Houghton Mifflin Co.

Stile di citazione Chicago

Gray, Carl William, Claude Williamson Sandifur, e Howard J. Hanna. Fundamentals of Chemistry. Rev. and el. ed. New York [etc.]: Houghton Mifflin Co, 1934.

Citazione MLA

Gray, Carl William, et al. Fundamentals of Chemistry. Rev. and el. ed. Houghton Mifflin Co, 1934.