Cita APA (7a ed.)

Picornell, M. B. V., Valiente, R. F. H., & Galban, A. A study on the efficiency of different tongue cleaning methods.

Cita Chicago Style (17a ed.)

Picornell, Mara Bianca V., Romy Fe H. Valiente, y Angelita Galban. A Study on the Efficiency of Different Tongue Cleaning Methods.

Cita MLA (9a ed.)

Picornell, Mara Bianca V., et al. A Study on the Efficiency of Different Tongue Cleaning Methods.