Etzler, J. A. (1977). The collected works of John Adolphus Etzler: Facsimile reproductions. Scholars' Facsimiles & Reprints.
芝加哥风格引文Etzler, J. A. The Collected Works of John Adolphus Etzler: Facsimile Reproductions. Delmar, N.Y.: Scholars' Facsimiles & Reprints, 1977.
MLA引文Etzler, J. A. The Collected Works of John Adolphus Etzler: Facsimile Reproductions. Scholars' Facsimiles & Reprints, 1977.
警告：这些引文格式不一定是100％准确.