Cita APA (7a ed.)

Lawley, J., & Fernández Carmona, R. .. (2002). Citizens: Gramática : English : Bachillerato I. Language reference (Rev. ed.). Pearson-Longman.

Cita Chicago Style (17a ed.)

Lawley, Jim, y Rodrigo Fernández Carmona. Citizens: Gramática : English : Bachillerato I. Language Reference. Rev. ed. [Madrid]: Pearson-Longman, 2002.

Cita MLA (9a ed.)

Lawley, Jim, y Rodrigo Fernández Carmona. Citizens: Gramática : English : Bachillerato I. Language Reference. Rev. ed. Pearson-Longman, 2002.