APA
Dr.Seuss, . (1960). green eggs and ham. new york: Grolier book club edition.
Chicago
Dr.Seuss, . 1960. green eggs and ham. new york: Grolier book club edition.
Harvard
Dr.Seuss, . (1960). green eggs and ham. new york: Grolier book club edition.
MLA
Dr.Seuss, . green eggs and ham. new york: Grolier book club edition. 1960.
