APA način citiranja (7. izdanje)

Butac, A. M., Roa, Y. M. C., & Serina, C. P. (2001). A methods study on Maple Leaf Enterprises. College of Engineering.

Čikaški stil citiranja (17. izdanje)

Butac, Aleczar Monis, Yonnah Marie Caparas Roa, i Carmela Patricia Serina. A Methods Study on Maple Leaf Enterprises. Diliman, Quezon City: College of Engineering, 2001.

MLA način citiranja (9. izdanje)

Butac, Aleczar Monis, et al. A Methods Study on Maple Leaf Enterprises. College of Engineering, 2001.