APA (7th ed.) Citation

Marzullo, R. (2017). Learn to draw action heroes. IMPACT Books.

Chicago Style (17th ed.) Citation

Marzullo, Robert. Learn to Draw Action Heroes. Ohio: IMPACT Books, 2017.

MLA (9th ed.) Citation

Marzullo, Robert. Learn to Draw Action Heroes. IMPACT Books, 2017.

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