APA način citiranja (7. izdanje)

Gapultos, S. M., Barredo, L. S., & Mamangun, M. C. (1968). Tax primers (questions and answers) and additional valuable tax information (amended and revised revenue regulations, etc.). s.n.].

Čikaški stil citiranja (17. izdanje)

Gapultos, Santiago M., Lorenzo S. Barredo, i Marina C. Mamangun. Tax Primers (questions and Answers) and Additional Valuable Tax Information (amended and Revised Revenue Regulations, Etc.). [Quezon City: s.n.], 1968.

MLA način citiranja (9. izdanje)

Gapultos, Santiago M., et al. Tax Primers (questions and Answers) and Additional Valuable Tax Information (amended and Revised Revenue Regulations, Etc.). s.n.], 1968.