Beck, G., & Parke, H. (2015). Agenda 21: Into the shadows (First Threshold Editions/Mercury Radio Arts hardcover edition.). Threshold Editions / Mercury Radio Arts.
Chicago Style (17th ed.) CitationBeck, Glenn, and Harriet Parke. Agenda 21: Into the Shadows. First Threshold Editions/Mercury Radio Arts hardcover edition. New York: Threshold Editions / Mercury Radio Arts, 2015.
MLA (8th ed.) CitationBeck, Glenn, and Harriet Parke. Agenda 21: Into the Shadows. First Threshold Editions/Mercury Radio Arts hardcover edition. Threshold Editions / Mercury Radio Arts, 2015.
Warning: These citations may not always be 100% accurate.