APA (7th ed.) Citation

Ellen, D. (1989). The scientific examination of documents: Methods and techniques. E. Horwood.

Chicago Style (17th ed.) Citation

Ellen, David. The Scientific Examination of Documents: Methods and Techniques. Chichester, Eng: E. Horwood, 1989.

MLA (9th ed.) Citation

Ellen, David. The Scientific Examination of Documents: Methods and Techniques. E. Horwood, 1989.