APA (7th ed.) Citation

Villanueva, P. M. (2004). Improving your writing skills. Books Atbp. Pub.

Chicago Style (17th ed.) Citation

Villanueva, Perla M. Improving Your Writing Skills. Mandaluyong City: Books Atbp. Pub, 2004.

MLA (9th ed.) Citation

Villanueva, Perla M. Improving Your Writing Skills. Books Atbp. Pub, 2004.

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