APA (7th ed.) Citation

Delhi, N., & National Archives, N. D. (1949). Calendar of Persian correspondence. The author.

Chicago Style (17th ed.) Citation

Delhi, New, and New Delhi National Archives. Calendar of Persian Correspondence. The author, 1949.

MLA (9th ed.) Citation

Delhi, New, and New Delhi National Archives. Calendar of Persian Correspondence. The author, 1949.

Warning: These citations may not always be 100% accurate.