APA način citiranja (7. izdanje)

Singleton, D. M., & Ryan, L. (2004). Language acquisition: The age factor (2nd ed.). Multilingual Matters.

Čikaški stil citiranja (17. izdanje)

Singleton, D. M., i Lisa Ryan. Language Acquisition: The Age Factor. 2nd ed. Clevedon ; Buffalo: Multilingual Matters, 2004.

MLA način citiranja (9. izdanje)

Singleton, D. M., i Lisa Ryan. Language Acquisition: The Age Factor. 2nd ed. Multilingual Matters, 2004.