APA (7th ed.) Citation

Blyton, E. (2011). Secret Seven. PT Gramedia Pustaka Utama.

Chicago Style (17th ed.) Citation

Blyton, Enid. Secret Seven. PT Gramedia Pustaka Utama, 2011.

MLA (8th ed.) Citation

Blyton, Enid. Secret Seven. PT Gramedia Pustaka Utama, 2011.

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