APA (7th ed.) Citation

Piwonka, R., & Blackburn, R. H. (1977). A visible heritage, Columbia County, New York: A history in art and architecture. Columbia County Historical Society.

Chicago Style (17th ed.) Citation

Piwonka, Ruth, and Roderic H. Blackburn. A Visible Heritage, Columbia County, New York: A History in Art and Architecture. Kinderhook, N.Y.: Columbia County Historical Society, 1977.

MLA (9th ed.) Citation

Piwonka, Ruth, and Roderic H. Blackburn. A Visible Heritage, Columbia County, New York: A History in Art and Architecture. Columbia County Historical Society, 1977.