APA-referens (7:e uppl.)
Töpffer, R. (1864). How we spent the summer or a 'voyage en zigzag' in Switzerland and Tyrol, with some members of the Alpine Club: From the sketch book of one of the party. Longman [usw.].
Chicago-referens (17:e uppl.)
Töpffer, Rodolphe. How We Spent the Summer or a 'Voyage En Zigzag' in Switzerland and Tyrol, with Some Members of the Alpine Club: From the Sketch Book of One of the Party. London: Longman [usw.], 1864.
MLA-referens (9:e uppl.)
Töpffer, Rodolphe. How We Spent the Summer or a 'Voyage En Zigzag' in Switzerland and Tyrol, with Some Members of the Alpine Club: From the Sketch Book of One of the Party. Longman [usw.], 1864.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.