APA (7th ed.) Citation

Royal, B. (2004). The little red writing book: 20 powerful principles of structure, style, & readability. Writer's Digest Book.

Chicago Style (17th ed.) Citation

Royal, Brandon. The Little Red Writing Book: 20 Powerful Principles of Structure, Style, & Readability. Cincinnati, Ohio: Writer's Digest Book, 2004.

MLA (9th ed.) Citation

Royal, Brandon. The Little Red Writing Book: 20 Powerful Principles of Structure, Style, & Readability. Writer's Digest Book, 2004.