APA (7th ed.) Citation

Diamond, J., & Phillips, P. (1999). His secret son. Silhouette Books.

Chicago Style (17th ed.) Citation

Diamond, Jacqueline, and Page Phillips. His Secret Son. Australia: Silhouette Books, 1999.

MLA (9th ed.) Citation

Diamond, Jacqueline, and Page Phillips. His Secret Son. Silhouette Books, 1999.