APA (7th ed.) Citation

Keene,Carolyn. (1990). The Clue Of The Tapping Heels. Harper Collins.

Chicago Style (17th ed.) Citation

Keene,Carolyn. The Clue Of The Tapping Heels. London: Harper Collins, 1990.

MLA (9th ed.) Citation

Keene,Carolyn. The Clue Of The Tapping Heels. Harper Collins, 1990.

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