Whicher, I., & Patañjali, P. 2. v. C. (1997). Cognitive Samādhi in the Yoga-sūtra-s. Adyar Library pamphlet series.
Chicago Style (17th ed.) CitationWhicher, Ian, and Philosoph 2 v. Chr Patañjali. "Cognitive Samādhi in the Yoga-sūtra-s." Adyar Library Pamphlet Series 1997.
MLA (8th ed.) CitationWhicher, Ian, and Philosoph 2 v. Chr Patañjali. "Cognitive Samādhi in the Yoga-sūtra-s." Adyar Library Pamphlet Series, 1997.
Warning: These citations may not always be 100% accurate.