Flaherty, S., & Ahrens, L. (2016). My Petersburg. Alfred Publishing Co., Inc..
Chicagoスタイル(17版)引用形式Flaherty, Stephen, , Lynn Ahrens. My Petersburg. Louisville, United States: Alfred Publishing Co., Inc., 2016.
MLA(9版)引用形式Flaherty, Stephen, , Lynn Ahrens. My Petersburg. Alfred Publishing Co., Inc., 2016.
警告: この引用は必ずしも正確ではありません.