APA (7th ed.) Citation

O'Brien, A. (2002). Nellie And Charlie (Level 1 Core Book 78). McGraw-Hill.

Chicago Style (17th ed.) Citation

O'Brien, Anne. Nellie And Charlie (Level 1 Core Book 78). Ohio: McGraw-Hill, 2002.

MLA (9th ed.) Citation

O'Brien, Anne. Nellie And Charlie (Level 1 Core Book 78). McGraw-Hill, 2002.