APA (7th ed.) Citation

Lopez, F. F. (1963). Reading skill builders for college Spanish: A preliminary study. s.n.].

Chicago Style (17th ed.) Citation

Lopez, Francisco F. Reading Skill Builders for College Spanish: A Preliminary Study. [Quezon City: s.n.], 1963.

MLA (9th ed.) Citation

Lopez, Francisco F. Reading Skill Builders for College Spanish: A Preliminary Study. s.n.], 1963.