APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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

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