Levisohn, J. (~ 1997). "Like the imprint of a seal" : the Vilna Gaon’s revolutionary approach to Torah and its study [Book]. Le’ela; a Journal of Judaism Today, 44 (1997) 9-19, 44 (1997) 9-19.
Chicago Manual of Style 17th edition (author-date)Levisohn, Joshua. 1997. "’Like the imprint of a seal’ : the Vilna Gaon’s revolutionary approach to Torah and its study". Book. Le’ela; a Journal of Judaism Today, מס’ 44 (1997) 9-19: 44 (1997) 9-19.
Springer - Basic (author-date)Levisohn J (1997) "Like the imprint of a seal" : the Vilna Gaon’s revolutionary approach to Torah and its study. Le’ela; a Journal of Judaism Today 44 (1997) 9-19
Springer - Lecture Notes in Computer Science1.Levisohn, J.: "Like the imprint of a seal" : the Vilna Gaon’s revolutionary approach to Torah and its study. Le’ela; a Journal of Judaism Today. 44 (1997) 9-19 (1997).
DIN 1505-2 (author-date, Deutsch) - standard superseded by ISO-690Levisohn, Joshua: "Like the imprint of a seal" : the Vilna Gaon’s revolutionary approach to Torah and its study. בתוך: Le’ela; a Journal of Judaism Today (1997), Nr. 44 (1997) 9-19, ’עמ 44 (1997) 9-19