APA (7th ed.) Citation

Delafield, E. M. (1936). The Optimist (35th thousand.). Hutchinson & Co.

Chicago Style (17th ed.) Citation

Delafield, E. M. The Optimist. 35th thousand. London: Hutchinson & Co, 1936.

MLA (9th ed.) Citation

Delafield, E. M. The Optimist. 35th thousand. Hutchinson & Co, 1936.

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