APA引文

Williams, K. W. (1970). Arithmetic: A semiprogrammed text. Prentice-Hall.

Chicago Style (17th ed.) Citation

Williams, Keith W. Arithmetic: A Semiprogrammed Text. Englewood Cliffs, N.J.: Prentice-Hall, 1970.

MLA引文

Williams, Keith W. Arithmetic: A Semiprogrammed Text. Prentice-Hall, 1970.