Cite

Number Patterns from Digit Sums

MLA

Irene Laver, and Terrel Trotter. “Number Patterns from Digit Sums.” The Arithmetic Teacher, vol. 18, Feb. 1971, pp. 100–03. EBSCOhost, https://doi.org/10.5951/at.18.2.0100.



APA

Irene Laver, & Terrel Trotter. (1971). Number Patterns from Digit Sums. The Arithmetic Teacher, 18, 100–103. https://doi.org/10.5951/at.18.2.0100



Chicago

Irene Laver, and Terrel Trotter. 1971. “Number Patterns from Digit Sums.” The Arithmetic Teacher 18 (February): 100–103. doi:10.5951/at.18.2.0100.