Cita APA

(1999). The Life force: Facing challenges. National Textbook Co.

Citación estilo Chicago

The Life Force: Facing Challenges. Lincolnwood, Ill: National Textbook Co, 1999.

Cita MLA

The Life Force: Facing Challenges. National Textbook Co, 1999.

Warning: These citations may not always be 100% accurate.