APA Style

Bellamy, P., Laboratory., N, R, E. (2004). Picture books: an annotated bibliography with activities for teaching writing with the 6+1 trait writing model (6th ed.). Portland: Northwest Regional Educational Laboratory.

MLA Style

Bellamy, Peter.., Laboratory., Northwest, Regional, Educational. "Picture books: an annotated bibliography with activities for teaching writing with the 6+1 trait writing model". 6th ed. Portland: Northwest Regional Educational Laboratory, 2004. Monograf.