Cita APA (7a ed.)

Unruh GC. (2010). Earth, Inc. Harvard Bus.School.Pub.

Cita Chicago Style (17a ed.)

Unruh GC. Earth, Inc. Boston: Harvard Bus.School.Pub, 2010.

Cita MLA (9a ed.)

Unruh GC. Earth, Inc. Harvard Bus.School.Pub, 2010.