APA (7th ed.) Citation

Smoothey, M. (2004). Let's investigate: Quardrilaterals. Federal Publications.

Chicago Style (17th ed.) Citation

Smoothey, Marion. Let's Investigate: Quardrilaterals. Malaysia: Federal Publications, 2004.

MLA (9th ed.) Citation

Smoothey, Marion. Let's Investigate: Quardrilaterals. Federal Publications, 2004.