APA (7th ed.) Citation

Blackwood, A., Dunbar, O. H., France, A., Freeman, M. E. W., Bierce, A., O'Brien, F. J., . . . Chambers, R. W. (2005). Famous Modern Ghost Stories. Project Gutenberg.

Chicago Style (17th ed.) Citation

Blackwood, Algernon, et al. Famous Modern Ghost Stories. Project Gutenberg, 2005.

MLA (9th ed.) Citation

Blackwood, Algernon, et al. Famous Modern Ghost Stories. Project Gutenberg, 2005.

Warning: These citations may not always be 100% accurate.