Cita APA

Smyer, M. A., & Qualls, S. H. (1999). Aging and mental health. Gran Bretaña: Blackwell Publishers.

Citación estilo Chicago

Smyer, Michael A., y Sara H. Qualls. Aging and Mental Health. Gran Bretaña: Blackwell Publishers, 1999.

Cita MLA

Smyer, Michael A., y Sara H. Qualls. Aging and Mental Health. Gran Bretaña: Blackwell Publishers, 1999.