APA (7th ed.) Zitazioa
Schaub, R. (1998). Traces of yesterday. Waterback.
Chicago Style (17th ed.) Zitazioa
Schaub, Richard. Traces of Yesterday. Owings Mills: Waterback, 1998.
MLA (9th ed.) Zitazioa
Schaub, Richard. Traces of Yesterday. Waterback, 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.