Spicer, H. (1876). Otho's death-wager: A dark page of history illustrated in five acts. H.S. King.
Lua i Stíl Chicago (17ú heag.)Spicer, Henry. Otho's Death-wager: A Dark Page of History Illustrated in Five Acts. London: H.S. King, 1876.
Lua MLA (8ú heag.)Spicer, Henry. Otho's Death-wager: A Dark Page of History Illustrated in Five Acts. H.S. King, 1876.
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