APA

Kraut J., Wright H. T., Kellerman M. & Freer S. T. (19671019). Pi-, delta-, and gamma-chymotrypsin: three-dimensional electron-density and difference maps at 5 A resolution, and comparison with chymotrypsinogen. : Proceedings of the National Academy of Sciences of the United States of America.

Chicago

Kraut J, Wright H T, Kellerman M and Freer S T. 19671019. Pi-, delta-, and gamma-chymotrypsin: three-dimensional electron-density and difference maps at 5 A resolution, and comparison with chymotrypsinogen. : Proceedings of the National Academy of Sciences of the United States of America.

Harvard

Kraut J., Wright H. T., Kellerman M. and Freer S. T. (19671019). Pi-, delta-, and gamma-chymotrypsin: three-dimensional electron-density and difference maps at 5 A resolution, and comparison with chymotrypsinogen. : Proceedings of the National Academy of Sciences of the United States of America.

MLA

Kraut J, Wright H T, Kellerman M and Freer S T. Pi-, delta-, and gamma-chymotrypsin: three-dimensional electron-density and difference maps at 5 A resolution, and comparison with chymotrypsinogen. : Proceedings of the National Academy of Sciences of the United States of America. 19671019.