APA (7th ed.) Citation

De Ocampo, G. (1970). A system of medical research. [Philippine Academy of Sciences and Humanities].

Chicago Style (17th ed.) Citation

De Ocampo, Geminiano. A System of Medical Research. Manila: [Philippine Academy of Sciences and Humanities], 1970.

MLA (9th ed.) Citation

De Ocampo, Geminiano. A System of Medical Research. [Philippine Academy of Sciences and Humanities], 1970.

Warning: These citations may not always be 100% accurate.