APA (7th ed.) Citation

Phelps, E. A., & Vigne, J. R. [Nine letters to James Coplen Langford Vigne].

Chicago Style (17th ed.) Citation

Phelps, Edward A., and James Randoph Vigne. [Nine Letters to James Coplen Langford Vigne].

MLA (9th ed.) Citation

Phelps, Edward A., and James Randoph Vigne. [Nine Letters to James Coplen Langford Vigne].

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