Nostalgia : : a Psychological Resource.

MLA

Routledge, Clay. Nostalgia : a Psychological Resource. New York: Routledge, 2016.

APA

Routledge, C. (2016). Nostalgia : a Psychological Resource. New York: Routledge.

Chicago

Routledge, Clay Nostalgia: A Psychological Resource. New York: Routledge, 2016.