APA (7th ed.) Citation

David Langdon, Ann Lindgren, & Brian Cowley. (2006). Using Self-Experimentation and Single-Subject Methodology to Promote Critical Thinking. Park University.

Chicago Style (17th ed.) Citation

David Langdon, Ann Lindgren, and Brian Cowley. Using Self-Experimentation and Single-Subject Methodology to Promote Critical Thinking. Park University, 2006.

MLA (9th ed.) Citation

David Langdon, et al. Using Self-Experimentation and Single-Subject Methodology to Promote Critical Thinking. Park University, 2006.