APA (7th ed.) Citation

Ettlin, W. A., Sussana de la Serna, A., & Vaquero Sánchez, A. (1991). Wordstar 6.0 a su alcance. McGraw-Hill.

Chicago Style (17th ed.) Citation

Ettlin, Walter A., Alfonso Sussana de la Serna, and Antonio Vaquero Sánchez. Wordstar 6.0 a Su Alcance. México: McGraw-Hill, 1991.

MLA (9th ed.) Citation

Ettlin, Walter A., et al. Wordstar 6.0 a Su Alcance. McGraw-Hill, 1991.