APA (7th ed.) Citation

Ludlum, R. (1995). The Apocalypse Watch. Harper Collins Publishers.

Chicago Style (17th ed.) Citation

Ludlum, Robert. The Apocalypse Watch. London: Harper Collins Publishers, 1995.

MLA (9th ed.) Citation

Ludlum, Robert. The Apocalypse Watch. Harper Collins Publishers, 1995.

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