APA
Gerhart Egger, . (1988). Generations of jewelry : from the 15th through the 20th century. Schiffer Publ, Pennsylvania: .
Chicago
Gerhart Egger, . 1988. Generations of jewelry : from the 15th through the 20th century. Schiffer Publ, Pennsylvania: .
Harvard
Gerhart Egger, . (1988). Generations of jewelry : from the 15th through the 20th century. Schiffer Publ, Pennsylvania: .
MLA
Gerhart Egger, . Generations of jewelry : from the 15th through the 20th century. Schiffer Publ, Pennsylvania: . 1988.