APA (7th ed.) Citation

Luther, M., Jacobs, H. E., & Spaeth, A. (2010). Works of Martin Luther, with Introductions and Notes (Volume I). Project Gutenberg.

Chicago Style (17th ed.) Citation

Luther, Martin, Henry Eyster Jacobs, and Adolph Spaeth. Works of Martin Luther, with Introductions and Notes (Volume I). Project Gutenberg, 2010.

MLA (9th ed.) Citation

Luther, Martin, et al. Works of Martin Luther, with Introductions and Notes (Volume I). Project Gutenberg, 2010.

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