Cita APA (7th ed.)

Barrett, J. (1981). Biochemistry of Parasitic Helminths. University Park Press.

Cita Chicago (17th ed.)

Barrett, John. Biochemistry of Parasitic Helminths. Maryland: University Park Press, 1981.

Cita MLA (9th ed.)

Barrett, John. Biochemistry of Parasitic Helminths. University Park Press, 1981.