APA (7th ed.) Citation

Hart, M. Project Gutenberg Newsletters 1999 Thirteen Letters: December 1998 to December 1999.

Chicago Style (17th ed.) Citation

Hart, Michael. Project Gutenberg Newsletters 1999 Thirteen Letters: December 1998 to December 1999.

MLA (9th ed.) Citation

Hart, Michael. Project Gutenberg Newsletters 1999 Thirteen Letters: December 1998 to December 1999.

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