APA Style

YOUNG, D, H., S., T, (, =, N, 6, ). (1968). Elements of strength of materials (5). New York: Van Nostrand Reinhold Company.

MLA Style

YOUNG, D., H.., S., TIMOSHENKO, (, =, No, 6, ),. "Elements of strength of materials". 5 New York: Van Nostrand Reinhold Company, 1968. Text.