Citazione Stile APA (7a Edizione)

De Lara, E. C., Siena, J. C., & Lacuesta, S. (2012). Ayala at 175 (Second edition.). Ayala Corporation.

Citazione stile Chigago Style (17a edizione)

De Lara, Emily C., Janella C. Siena, e Sarge Lacuesta. Ayala at 175. Second edition. Makati City: Ayala Corporation, 2012.

Citatione MLA (9a ed.)

De Lara, Emily C., et al. Ayala at 175. Second edition. Ayala Corporation, 2012.