The lower Merrimack River Valley :
an inventory of historic engineering and industrial sites /
directed and edited by Peter M. Molloy ; sponsored by Merrimack Valley Textile Museum, North Andover, Massachusetts, and Historic American Engineering Record, National Park Service, Washington, D.C.

APA Citation

Molloy, P. M., Historic American Engineering Record., Merrimack Valley Textile Museum. (1976). The lower Merrimack River Valley: an inventory of historic engineering and industrial sites. Washington: HAER.

MLA Citation

Molloy, Peter M, Historic American Engineering Record, and Merrimack Valley Textile Museum. The Lower Merrimack River Valley: an Inventory of Historic Engineering And Industrial Sites. Washington: HAER, 1976.

Warning: These citations may not always be complete (especially for serials).