APA

Richards J. H., Cram D. J. & Hammond G. S. (1967). Elements of organic chemistry. New York: Mcgraw-Hill.

Chicago

Richards John H, Cram Donald J and Hammond George S. 1967. Elements of organic chemistry. New York: Mcgraw-Hill.

Harvard

Richards J. H., Cram D. J. and Hammond G. S. (1967). Elements of organic chemistry. New York: Mcgraw-Hill.

MLA

Richards John H, Cram Donald J and Hammond George S. Elements of organic chemistry. New York: Mcgraw-Hill. 1967.