Citazione Stile APA (7a Edizione)

Freese, G., & Milford, A. (2011). My first alphabet activity book: Develop first spelling skills (Rev. ed.). Letterland.

Citazione stile Chigago Style (17a edizione)

Freese, Gudrun, e Alison Milford. My First Alphabet Activity Book: Develop First Spelling Skills. Rev. ed. Cambridge: Letterland, 2011.

Citatione MLA (9a ed.)

Freese, Gudrun, e Alison Milford. My First Alphabet Activity Book: Develop First Spelling Skills. Rev. ed. Letterland, 2011.