APA (7th ed.) Citation

National Research Council of Canada. Associate Committee on the National Building Code. (1971). Span tables for wood joists, rafters and beams, 1971. The Committee.

Chicago Style (17th ed.) Citation

National Research Council of Canada. Associate Committee on the National Building Code. Span Tables for Wood Joists, Rafters and Beams, 1971. Ottawa: The Committee, 1971.

MLA (9th ed.) Citation

National Research Council of Canada. Associate Committee on the National Building Code. Span Tables for Wood Joists, Rafters and Beams, 1971. The Committee, 1971.