Geiger, J. G. (2013). The angel effect: We are never alone. HarperCollins Publishers.
Chicago Style (17th ed.) CitationGeiger, John Grigsby. The Angel Effect: We Are Never Alone. HarperCollins Publishers, 2013.
MLA (8th ed.) CitationGeiger, John Grigsby. The Angel Effect: We Are Never Alone. HarperCollins Publishers, 2013.
Warning: These citations may not always be 100% accurate.