APA (7th ed.) Citation

Byrne Rhonda. (2020). The Greatest Secret. Harper Collins.

Chicago Style (17th ed.) Citation

Byrne Rhonda. The Greatest Secret. London: Harper Collins, 2020.

MLA (9th ed.) Citation

Byrne Rhonda. The Greatest Secret. Harper Collins, 2020.

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