APA (7th ed.) Citation

Feenstra, H. J., & Castillo, E. S. H. (1970). Aptitude, attitude and motivation in second language acquisition: A look at two cultures. Language Study Center, Philippine Normal College.

Chicago Style (17th ed.) Citation

Feenstra, Henry J., and Emma Santos H. Castillo. Aptitude, Attitude and Motivation in Second Language Acquisition: A Look at Two Cultures. Manila: Language Study Center, Philippine Normal College, 1970.

MLA (9th ed.) Citation

Feenstra, Henry J., and Emma Santos H. Castillo. Aptitude, Attitude and Motivation in Second Language Acquisition: A Look at Two Cultures. Language Study Center, Philippine Normal College, 1970.