[Business letter] :

MLA

Yosef and Cairo Genizah Collection (University of Pennsylvania. Center for Advanced Judaic Studies. Library). [Business letter] :. [Jerusalem], [publisher not identified], [16th century-18th century?]

APA

Yosef & Cairo Genizah Collection (University of Pennsylvania. Center for Advanced Judaic Studies. Library). (1500). [Business letter] :. [Jerusalem], [publisher not identified].

Chicago

Yosef and Cairo Genizah Collection (University of Pennsylvania. Center for Advanced Judaic Studies. Library). [Business letter] :. [Jerusalem], [publisher not identified], [16th century-18th century?]