Choudhary, S. S., Choudhary, P., & Prasad, T. (1998). Practical botany: Cryptogams and gymnosperms. CBS Publishers & Distributors.
Citazione stile Chigago Style (17a edizione)Choudhary, S. S., Prabha Choudhary, e Tarkeshwar Prasad. Practical Botany: Cryptogams and Gymnosperms. New Delhi: CBS Publishers & Distributors, 1998.
Citatione MLA (9a ed.)Choudhary, S. S., et al. Practical Botany: Cryptogams and Gymnosperms. CBS Publishers & Distributors, 1998.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.