APA (7th ed.) Citation

Simon, T., Binet, A., & Drummond, W. B. (2011). Mentally Defective Children. Project Gutenberg.

Chicago Style (17th ed.) Citation

Simon, Théodore, Alfred Binet, and William Blackley Drummond. Mentally Defective Children. Project Gutenberg, 2011.

MLA (9th ed.) Citation

Simon, Théodore, et al. Mentally Defective Children. Project Gutenberg, 2011.

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