APA Style

P, S, K, &, S, S. (2008). Elements of quantum mechanics : for BSc classes as per UGC model syllabus . New Delhi: S. Chand.

MLA Style

P, Singh, Kamal, &, Singh, S. "Elements of quantum mechanics : for BSc classes as per UGC model syllabus". New Delhi: S. Chand, 2008. .