St. Procopius College (Lisle, Ill.). (1960). [Observatory of St. Procopius College]. St. Procopius College.
Chicagoスタイル(17版)引用形式St. Procopius College (Lisle, Ill.). [Observatory of St. Procopius College]. [Lisle, Ill.]: St. Procopius College, 1960.
MLA(8版)引用形式St. Procopius College (Lisle, Ill.). [Observatory of St. Procopius College]. St. Procopius College, 1960.
警告: この引用は必ずしも正確ではありません.