Sefer Beʾer mayim ḥayim.

MLA

Yaʻaḳ. ben Yitsḥaḳ. Sefer Beʾer mayim ḥayim. [Bruḳlin, N.Y.?] : [publisher not identified], [between 1990 and 1999?]

APA

Yaʻaḳ. ben Yitsḥaḳ. (1990). Sefer Beʾer mayim ḥayim. [Bruḳlin, N.Y.?] : [publisher not identified].

Chicago

Yaʻaḳ. ben Yitsḥaḳ. Sefer Beʾer mayim ḥayim. [Bruḳlin, N.Y.?] : [publisher not identified], [between 1990 and 1999?]