APA Style

Callan, Georgina O\'Hara. (). Adult Education and Development. . : .

Chicago Style

Callan, Georgina O\'Hara. Adult Education and Development.. : , . .

MLA Style

Callan, Georgina O\'Hara. Adult Education and Development.. : , . .

Turabian Style

Callan, Georgina O\'Hara. Adult Education and Development.. : , . .