APA (7th ed.) Citation

Pérez Galdós, B., Byington, S. T., & Marsh, A. R. (2005). Doña Perfecta. Project Gutenberg.

Chicago Style (17th ed.) Citation

Pérez Galdós, Benito, Steven T. Byington, and Arthur Richmond Marsh. Doña Perfecta. Project Gutenberg, 2005.

MLA (9th ed.) Citation

Pérez Galdós, Benito, et al. Doña Perfecta. Project Gutenberg, 2005.

Warning: These citations may not always be 100% accurate.