APA način citiranja (7. izdanje)

Awdry, W., & Courtney, R. (2012). Secret of the green engine. Random House.

Čikaški stil citiranja (17. izdanje)

Awdry, W., i Richard Courtney. Secret of the Green Engine. New York: Random House, 2012.

MLA način citiranja (8. izdanje)

Awdry, W., i Richard Courtney. Secret of the Green Engine. Random House, 2012.