APA
Edwards J., Nichols W. C., . (2003). Knowing the heart. Ames, Iowa: International Outreach, Inc.
Chicago
Edwards Jonathan, Nichols William C, . 2003. Knowing the heart. Ames, Iowa: International Outreach, Inc.
Harvard
Edwards J., Nichols W. C., . (2003). Knowing the heart. Ames, Iowa: International Outreach, Inc.
MLA
Edwards Jonathan, Nichols William C, . Knowing the heart. Ames, Iowa: International Outreach, Inc. 2003.