Citação norma APA

De Leon, S. Y. (1980). Guide to research and scientific reporting (Rev. and enlarged ed.). Merriam School and Office Supplies.

Citação norma Chicago

De Leon, Sonia Y. Guide to Research and Scientific Reporting. Rev. and enlarged ed. Manila: Merriam School and Office Supplies, 1980.

Citação norma MLA

De Leon, Sonia Y. Guide to Research and Scientific Reporting. Rev. and enlarged ed. Merriam School and Office Supplies, 1980.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.