Cita APA (7th ed.)

Jacobs, H. B. (1968). A complete guide to writing and selling non-fiction. Writer's Digest Books.

Cita Chicago (17th ed.)

Jacobs, Hayes B. A Complete Guide to Writing and Selling Non-fiction. Cincinnati, Ohio: Writer's Digest Books, 1968.

Cita MLA (9th ed.)

Jacobs, Hayes B. A Complete Guide to Writing and Selling Non-fiction. Writer's Digest Books, 1968.