Cita APA (7a ed.)

(1971). Seybold report on publishing systems. Seybold Publications.

Cita Chicago Style (17a ed.)

Seybold Report on Publishing Systems. Media, Palo Alto: Seybold Publications, 1971.

Cita MLA (9a ed.)

Seybold Report on Publishing Systems. Seybold Publications, 1971.