Lambert, H. C., Langdon, E., & Langdon, R. (2010). The Life of Roger Langdon Told by himself. With additions by his daughter Ellen. [With a preface by H. Clifton Lambert.]. Project Gutenberg.
Chicago Style (17th ed.) CitationLambert, Henry Clifton, Ellen Langdon, and Roger Langdon. The Life of Roger Langdon Told by Himself. With Additions by His Daughter Ellen. [With a Preface by H. Clifton Lambert.]. Project Gutenberg, 2010.
MLA (9th ed.) CitationLambert, Henry Clifton, et al. The Life of Roger Langdon Told by Himself. With Additions by His Daughter Ellen. [With a Preface by H. Clifton Lambert.]. Project Gutenberg, 2010.
Warning: These citations may not always be 100% accurate.