Petit, Z. (2015). The essential guide to freelance writing: How to write, work, & thrive on your own terms. Writer's Digest Books.
Citação do estilo Chicago (17ª ed.)Petit, Zachary. The Essential Guide to Freelance Writing: How to Write, Work, & Thrive on Your Own Terms. Cincinnati, Ohio: Writer's Digest Books, 2015.
Citação MLA (9ª ed.)Petit, Zachary. The Essential Guide to Freelance Writing: How to Write, Work, & Thrive on Your Own Terms. Writer's Digest Books, 2015.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.