APA (7th ed.) Citation

Rockford Map Publishers, Thornapple Printing, Inc, J-AD Graphics, & Porter, W. W. [Barry County, Michigan plat books]. Rockford Map Publishers.

Chicago Style (17th ed.) Citation

Rockford Map Publishers, Inc Thornapple Printing, J-AD Graphics, and William W. Porter. [Barry County, Michigan Plat Books]. Rockford, Ill.: Rockford Map Publishers.

MLA (9th ed.) Citation

Rockford Map Publishers, et al. [Barry County, Michigan Plat Books]. Rockford Map Publishers.