Zack. (1898). Life is life and other tales and episodes. William Blackwood.
Čikaški stil citiranja (17. izdanje)Zack. Life Is Life and Other Tales and Episodes. London: William Blackwood, 1898.
MLA način citiranja (9. izdanje)Zack. Life Is Life and Other Tales and Episodes. William Blackwood, 1898.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.