Lua APA (7ú heag.)

Kerkering, J. D. Theories of poetry: John D. Kerkering. The nineteenth century, c. 1830 - 1914.(2013).

Lua i Stíl Chicago (17ú heag.)

Kerkering, John D. "Theories of Poetry: John D. Kerkering." The Nineteenth Century, C. 1830 - 1914.(2013) .

Lua MLA (8ú heag.)

Kerkering, John D. "Theories of Poetry: John D. Kerkering." The Nineteenth Century, C. 1830 - 1914.(2013), .

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