APA (7th ed.) Citation

Rutherford, S., & Bonar, A. A. (2013). Letters of Samuel Rutherford (Third Edition). Project Gutenberg.

Chicago Style (17th ed.) Citation

Rutherford, Samuel, and Andrew A. Bonar. Letters of Samuel Rutherford (Third Edition). Project Gutenberg, 2013.

MLA (9th ed.) Citation

Rutherford, Samuel, and Andrew A. Bonar. Letters of Samuel Rutherford (Third Edition). Project Gutenberg, 2013.

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