Cita APA (7a ed.)

Todd, G., Lirola Terrez, A., & Vaquero Sánchez, A. (1990). Aplique WordPerfect 5.0. Osborne-McGraw-Hill.

Cita Chicago Style (17a ed.)

Todd, Gail, Antonio Lirola Terrez, y Antonio Vaquero Sánchez. Aplique WordPerfect 5.0. Madrid [etc.]: Osborne-McGraw-Hill, 1990.

Cita MLA (9a ed.)

Todd, Gail, et al. Aplique WordPerfect 5.0. Osborne-McGraw-Hill, 1990.