APA (7th ed.) Citation

Datta, S. C. (1966). An Introduction to gymnosperms. Asia Publishing.

Chicago Style (17th ed.) Citation

Datta, Subhash Chandra. An Introduction to Gymnosperms. Bombay: Asia Publishing, 1966.

MLA (9th ed.) Citation

Datta, Subhash Chandra. An Introduction to Gymnosperms. Asia Publishing, 1966.

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