APA (7th ed.) Citation
Blacklock, C., & Blacklock, N. (1995). The Duluth portfolio. Pfeifer-Hamilton.
Chicago Style (17th ed.) Citation
Blacklock, Craig, and Nadine Blacklock. The Duluth Portfolio. Duluth, Minn.: Pfeifer-Hamilton, 1995.
MLA (9th ed.) Citation
Blacklock, Craig, and Nadine Blacklock. The Duluth Portfolio. Pfeifer-Hamilton, 1995.
Warning: These citations may not always be 100% accurate.