PROBLEMS AND SOLUTIONS.

MLA

Edgar, Gerald A., et al. “Problems and Solutions.” American Mathematical Monthly, vol. 112, no. 1, Jan. 2005, pp. 87–94. EBSCOhost, https://doi.org/10.1080/00029890.2005.11920173.

APA

Edgar, G. A., Hensley, D., & West, D. B. (2005). Problems and Solutions. American Mathematical Monthly, 112(1), 87–94. https://doi.org/10.1080/00029890.2005.11920173

Chicago

Edgar, Gerald A., Doug Hensley, and Douglas B. West. 2005. “Problems and Solutions.” American Mathematical Monthly 112 (1): 87–94. doi:10.1080/00029890.2005.11920173.