APA (7th ed.) Citation

Chritie, A. (2006). 1960s omnibus. HarperCollins.

Chicago Style (17th ed.) Citation

Chritie, Agatha. 1960s Omnibus. London: HarperCollins, 2006.

MLA (9th ed.) Citation

Chritie, Agatha. 1960s Omnibus. HarperCollins, 2006.

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