Cita APA (7th ed.)

Verma, P. S. (1971). A Manual of Practical Zoology: Invertebrates. S. Chand & Company.

Cita Chicago (17th ed.)

Verma, P. S. A Manual of Practical Zoology: Invertebrates. New Delhi: S. Chand & Company, 1971.

Cita MLA (9th ed.)

Verma, P. S. A Manual of Practical Zoology: Invertebrates. S. Chand & Company, 1971.