APA (7th ed.) Citation

Phillips, E. D. (1991). Patterns and functions. National Council of Teachers of Mathematics.

Chicago Style (17th ed.) Citation

Phillips, Elizabeth Difanis. Patterns and Functions. Reston, Va.: National Council of Teachers of Mathematics, 1991.

MLA (9th ed.) Citation

Phillips, Elizabeth Difanis. Patterns and Functions. National Council of Teachers of Mathematics, 1991.

Warning: These citations may not always be 100% accurate.