APA引文

Boyd, J. E. (1911). Strength of materials. McGraw-Hill.

Chicago Style (17th ed.) Citation

Boyd, James E. Strength of Materials. New York: McGraw-Hill, 1911.

MLA引文

Boyd, James E. Strength of Materials. McGraw-Hill, 1911.

警告:这些引文格式不一定是100%准确.