APA (7th ed.) Citation

H.M. Hyndman and R.D. Blumenfeld: Correspondence in 1913. Sheffield.

Chicago Style (17th ed.) Citation

H.M. Hyndman and R.D. Blumenfeld: Correspondence in 1913. Sheffield.

MLA (8th ed.) Citation

H.M. Hyndman and R.D. Blumenfeld: Correspondence in 1913. Sheffield.

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