APA (7th ed.) Citation

Callanta, N. M., & Castro, P. E. (1969). The effectiveness of the PRRM method of training auxiliary literacy teachers. [publisher not identified].

Chicago Style (17th ed.) Citation

Callanta, Norma M., and Perla E. Castro. The Effectiveness of the PRRM Method of Training Auxiliary Literacy Teachers. [place of publication not identified]: [publisher not identified], 1969.

MLA (9th ed.) Citation

Callanta, Norma M., and Perla E. Castro. The Effectiveness of the PRRM Method of Training Auxiliary Literacy Teachers. [publisher not identified], 1969.