The Vahlen library :
offered for sale at Buchhandlung Gustav Fock, G.m.b.H., Leipzig.
APA Citation
Vahlen, J., Buchhandlung Gustav Fock. (1912). The Vahlen library: offered for sale at Buchhandlung Gustav Fock, G.m.b.H., Leipzig. Leipzig: Gustav Fock.
MLA Citation
Vahlen, Johannes, 1830-1911, and Buchhandlung Gustav Fock. The Vahlen Library: Offered for Sale At Buchhandlung Gustav Fock, G.m.b.H., Leipzig. Leipzig: Gustav Fock, 1912.
Warning: These citations may not always be complete (especially for serials).