To cite a review of a book, you can follow the following format:
Author Last Name, Author First Name. "Title of Review." Title of Review Publication, vol. (if applicable), no. (if applicable), year, page numbers. Name of Database or Website, URL (if applicable).
For example:
Smith, John. "A Thoughtful Analysis of 'To Kill a Mockingbird'." The New York Times Book Review, 15 May 2020, pp. 25-27. Accessed from https://www.nytimes.com/bookreviews/12345.
If the review does not have an author listed, you can begin the citation with the title of the review.