APA (7th ed.) Citation

Barclet, E. Letter from [Barclet] to Bouhéreau, undated.

Chicago Style (17th ed.) Citation

Barclet, E. Letter from [Barclet] to Bouhéreau, Undated.

MLA (9th ed.) Citation

Barclet, E. Letter from [Barclet] to Bouhéreau, Undated.

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