Lumber
[by] Nelson Courtlandt Brown [and] James Samuel Bethel.

APA Citation

Brown, N. Courtlandt., Bethel, J. Samuel. (1958). Lumber. 2d edition. New York: Wiley.

MLA Citation

Brown, Nelson Courtlandt, 1885-, and James Samuel Bethel. Lumber. 2d edition. New York: Wiley, 1958.

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