Cita APA (7a ed.)
Carroll, J. A., Wilson, E. E., & Forlini, G. Writing and Grammar: Communication in Action : Ruby Level. Prentice-Hall.
Cita estilo Chicago (17a ed.)
Carroll, Joyce Armstrong, Edward E. Wilson, y Gary Forlini. Writing and Grammar: Communication in Action : Ruby Level. Upper Saddle River, EUA: Prentice-Hall.
Cita MLA (9a ed.)
Carroll, Joyce Armstrong, et al. Writing and Grammar: Communication in Action : Ruby Level. Prentice-Hall.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.