Cita APA (7th ed.)

Hyman, L. H. (1951). The invertebrates: Platyhelminthes and rhynchocoela, the acoelomate bilateria. McGraw-Hill.

Cita Chicago (17th ed.)

Hyman, Libbie Henrietta. The Invertebrates: Platyhelminthes and Rhynchocoela, the Acoelomate Bilateria. New York: McGraw-Hill, 1951.

Cita MLA (9th ed.)

Hyman, Libbie Henrietta. The Invertebrates: Platyhelminthes and Rhynchocoela, the Acoelomate Bilateria. McGraw-Hill, 1951.