APA (7th ed.) Citation

Christie, A. (1986). Sleeping murder (Repr.). Collins.

Chicago Style (17th ed.) Citation

Christie, Agatha. Sleeping Murder. Repr. London: Collins, 1986.

MLA (9th ed.) Citation

Christie, Agatha. Sleeping Murder. Repr. Collins, 1986.

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