APA (7th ed.) Citation

MISHRA, R. (1970). A Text book of trigonometry. Prakashan Kendra.

Chicago Style (17th ed.) Citation

MISHRA, R.S. A Text Book of Trigonometry. Lucknow: Prakashan Kendra, 1970.

MLA (9th ed.) Citation

MISHRA, R.S. A Text Book of Trigonometry. Prakashan Kendra, 1970.