APA (7th ed.) Citation

Smith, H., & Walker, W. E. (1978). Common core mathematics. Hulton.

Chicago Style (17th ed.) Citation

Smith, Henry, and William E. Walker. Common Core Mathematics. Amersham: Hulton, 1978.

MLA (9th ed.) Citation

Smith, Henry, and William E. Walker. Common Core Mathematics. Hulton, 1978.