APA (7th ed.) Citation

del Rosario, S. V., & Lopez, R. L. (1922). Some epidemiological features of cholera in the Philippines. Bureau of Print.

Chicago Style (17th ed.) Citation

del Rosario, S. V., and Rizal L. Lopez. Some Epidemiological Features of Cholera in the Philippines. Manila: Bureau of Print, 1922.

MLA (9th ed.) Citation

del Rosario, S. V., and Rizal L. Lopez. Some Epidemiological Features of Cholera in the Philippines. Bureau of Print, 1922.