Cook, A. M., & Polgar, J. M. (2015). Assistive technologies : principles and practice / Albert M. Cook, PhD, PE - Janice M. Polgar, PhD, OT Reg. (Ont.), FCAOT: Principles and practice (Fourth edition.). Elsevier.
Chicago Style (17th ed.) CitationCook, Albert M., and Jan Miller Polgar. Assistive Technologies : Principles and Practice / Albert M. Cook, PhD, PE - Janice M. Polgar, PhD, OT Reg. (Ont.), FCAOT: Principles and Practice. Fourth edition. St. Louis, Missouri: Elsevier, 2015.
MLA (9th ed.) CitationCook, Albert M., and Jan Miller Polgar. Assistive Technologies : Principles and Practice / Albert M. Cook, PhD, PE - Janice M. Polgar, PhD, OT Reg. (Ont.), FCAOT: Principles and Practice. Fourth edition. Elsevier, 2015.
Warning: These citations may not always be 100% accurate.