Citazione Stile APA (7a Edizione)

Gupta, D. R., & Malik, D. B. S. (1989). A Treatise on Portozoa: For post-graduate and under- graduate students of all Indian University (3rded.). Pargati.

Citazione stile Chigago Style (17a edizione)

Gupta, Dr. R.K, e Dr. B. S. Malik. A Treatise on Portozoa: For Post-graduate and Under- Graduate Students of All Indian University. 3rded. Meerut: Pargati, 1989.

Citatione MLA (9a ed.)

Gupta, Dr. R.K, e Dr. B. S. Malik. A Treatise on Portozoa: For Post-graduate and Under- Graduate Students of All Indian University. 3rded. Pargati, 1989.