Ahn's second German book :
being the second division of Ahn's Rudiments of the German language /
by P. Henn.
APA Citation
Henn, P. (Peter)., Ahn, F. (Franz). (1873). Ahn's second German book: being the second division of Ahn's Rudiments of the German language. New York: E. Steiger.
MLA Citation
Henn, P. (Peter), and F. (Franz) Ahn. Ahn's Second German Book: Being the Second Division of Ahn's Rudiments of the German Language. New York: E. Steiger, 1873.
Warning: These citations may not always be complete (especially for serials).