APA (7th ed.) Citation

Ewald, C., Woollcott, A., & Mattos, A. T. d. (2011). My Little Boy. Project Gutenberg.

Chicago Style (17th ed.) Citation

Ewald, Carl, Alexander Woollcott, and Alexandrer Texeira de Mattos. My Little Boy. Project Gutenberg, 2011.

MLA (9th ed.) Citation

Ewald, Carl, et al. My Little Boy. Project Gutenberg, 2011.

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