APA-viite

Gary T Reker & Kerry Chamberlain. (2000). Exploring existential meaning: Optimizing human development across the life span. Sage.

Chicago-tyylinen lähdeviittaus

Gary T Reker ja Kerry Chamberlain. Exploring Existential Meaning: Optimizing Human Development Across the Life Span. New Delhi: Sage, 2000.

MLA-viite

Gary T Reker ja Kerry Chamberlain. Exploring Existential Meaning: Optimizing Human Development Across the Life Span. Sage, 2000.