Boothroyd Jennifer. (2007). First Step Non Fiction What is A Gas. Lerner.
Chicago Style (17th ed.) CitationBoothroyd Jennifer. First Step Non Fiction What Is A Gas. UK: Lerner, 2007.
MLA (9th ed.) CitationBoothroyd Jennifer. First Step Non Fiction What Is A Gas. Lerner, 2007.
Warning: These citations may not always be 100% accurate.