APA (7th ed.) Citation

Arroyo Sagbay, M., & Crespo Espinoza, I. Vocabulary techniques for teaching english in elementary schools.

Chicago Style (17th ed.) Citation

Arroyo Sagbay, Miriam, and Irma Crespo Espinoza. Vocabulary Techniques for Teaching English in Elementary Schools.

MLA (8th ed.) Citation

Arroyo Sagbay, Miriam, and Irma Crespo Espinoza. Vocabulary Techniques for Teaching English in Elementary Schools.

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