APA (7th ed.) Citation

Pérez Galdós, B., & Morley, S. G. (2008). Heath's Modern Language Series: Mariucha. Project Gutenberg.

Chicago Style (17th ed.) Citation

Pérez Galdós, Benito, and S. Griswold Morley. Heath's Modern Language Series: Mariucha. Project Gutenberg, 2008.

MLA (9th ed.) Citation

Pérez Galdós, Benito, and S. Griswold Morley. Heath's Modern Language Series: Mariucha. Project Gutenberg, 2008.

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