Cita APA (7a ed.)

Otto, E. (1860). German conversation-grammar: A new and practical method of learning the german language (3rd ed.). Julius Groos [etc.].

Cita Chicago Style (17a ed.)

Otto, Emil. German Conversation-grammar: A New and Practical Method of Learning the German Language. 3rd ed. Heidelberg [etc.]: Julius Groos [etc.], 1860.

Cita MLA (9a ed.)

Otto, Emil. German Conversation-grammar: A New and Practical Method of Learning the German Language. 3rd ed. Julius Groos [etc.], 1860.