APA (7th ed.) Citation

Hill, B., Smith, A., & Simpson, D. (1957). Sounds fun!: Adventures of the Sounds Fun Club. Clarke, Irwin.

Chicago Style (17th ed.) Citation

Hill, Barbara, Anne Smith, and Dorothy Simpson. Sounds Fun!: Adventures of the Sounds Fun Club. Toronto: Clarke, Irwin, 1957.

MLA (9th ed.) Citation

Hill, Barbara, et al. Sounds Fun!: Adventures of the Sounds Fun Club. Clarke, Irwin, 1957.