APA (7th ed.) Citation

Christie, A. Tragedi tiga babak. Gramedia.

Chicago Style (17th ed.) Citation

Christie, Agatha. Tragedi Tiga Babak. Gramedia.

MLA (9th ed.) Citation

Christie, Agatha. Tragedi Tiga Babak. Gramedia.

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