APA

New York Landmarks Conservancy, . (1992). Repairing old and historic windows. Washington, D.C: Preservation Press, National Trust for Historic Preservation.

Chicago

New York Landmarks Conservancy, . 1992. Repairing old and historic windows. Washington, D.C: Preservation Press, National Trust for Historic Preservation.

Harvard

New York Landmarks Conservancy, . (1992). Repairing old and historic windows. Washington, D.C: Preservation Press, National Trust for Historic Preservation.

MLA

New York Landmarks Conservancy, . Repairing old and historic windows. Washington, D.C: Preservation Press, National Trust for Historic Preservation. 1992.