Cita APA (7a ed.)

ebrary, Inc, & Sousa, L. (2009). Families in later life: Emerging themes and challenges. Nova Science Publishers.

Cita Chicago Style (17a ed.)

ebrary, Inc, y Lillian Sousa. Families in Later Life: Emerging Themes and Challenges. New York: Nova Science Publishers, 2009.

Cita MLA (9a ed.)

ebrary, Inc, y Lillian Sousa. Families in Later Life: Emerging Themes and Challenges. Nova Science Publishers, 2009.