APA (7th ed.) Citation

Canonigo, C. S. (1993). Book of tongue twisters (1993 ed.). C.S. Canonigo.

Chicago Style (17th ed.) Citation

Canonigo, Cristina Santos. Book of Tongue Twisters. 1993 ed. Cebu City: C.S. Canonigo, 1993.

MLA (9th ed.) Citation

Canonigo, Cristina Santos. Book of Tongue Twisters. 1993 ed. C.S. Canonigo, 1993.