Cita APA

Hepburn, G., & Gregory Hepburn. (2007). Star stories. Columbus, Ohio: SRA/McGraw-Hill.

Chicago Style Citation

Hepburn, Gregory, i Gregory Hepburn. Star Stories. Columbus, Ohio: SRA/McGraw-Hill, 2007.

Cita MLA

Hepburn, Gregory, i Gregory Hepburn. Star Stories. Columbus, Ohio: SRA/McGraw-Hill, 2007.

Atenció: Aquestes cites poden no estar 100% correctes.