Cita APA

 Zellner, W. W. (2008).  Extraordinary groups: An examination of unconventional lifestyles.  Worth Publishers.

Chicago Style Citation

 Zellner, William W.  Extraordinary Groups: An Examination of Unconventional Lifestyles.  Worth Publishers, 2008.

Cita MLA

 Zellner, William W.  Extraordinary Groups: An Examination of Unconventional Lifestyles.  Worth Publishers, 2008.

Atenció: Aquestes cites poden no estar 100% correctes.