APA (7th ed.) Citation

Bansa, H., & Hofer, H. Paper: Scientific Developments: Increase of paper permanence by treatment with liquid ammonia or ammonia solutions: Part 3, Testing of the usability of papers.

Chicago Style (17th ed.) Citation

Bansa, Helmut, and Hans-H Hofer. Paper: Scientific Developments: Increase of Paper Permanence by Treatment with Liquid Ammonia or Ammonia Solutions: Part 3, Testing of the Usability of Papers.

MLA (9th ed.) Citation

Bansa, Helmut, and Hans-H Hofer. Paper: Scientific Developments: Increase of Paper Permanence by Treatment with Liquid Ammonia or Ammonia Solutions: Part 3, Testing of the Usability of Papers.

Warning: These citations may not always be 100% accurate.