APA način citiranja (7. izdanje)

Hardyk, J. M. (1980). I never saw another butterfly: For four-part chorus of young voices with oboe accompaniment. G. Schirmer.

Čikaški stil citiranja (17. izdanje)

Hardyk, Joel M. I Never Saw Another Butterfly: For Four-part Chorus of Young Voices with Oboe Accompaniment. New York: G. Schirmer, 1980.

MLA način citiranja (9. izdanje)

Hardyk, Joel M. I Never Saw Another Butterfly: For Four-part Chorus of Young Voices with Oboe Accompaniment. G. Schirmer, 1980.