APA (7th ed.) Citation

Shores, E. F., & Grace, C. (1998). The portfolio book: A step-by-step guide for teachers. Gryphon House.

Chicago Style (17th ed.) Citation

Shores, Elizabeth F., and Cathy Grace. The Portfolio Book: A Step-by-step Guide for Teachers. Beltsville, Md: Gryphon House, 1998.

MLA (9th ed.) Citation

Shores, Elizabeth F., and Cathy Grace. The Portfolio Book: A Step-by-step Guide for Teachers. Gryphon House, 1998.