APA (7th ed.) Citation

I. Ganeshan. Class work book, Grade - 7 ("?".). K. V. Printers.

Chicago Style (17th ed.) Citation

I. Ganeshan. Class Work Book, Grade - 7. "?". Colombo: K. V. Printers.

MLA (9th ed.) Citation

I. Ganeshan. Class Work Book, Grade - 7. "?". K. V. Printers.

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