APA (7th ed.) Citation

Dunn, M. L., & Perez, G. S. (1938). Science and modern progress in the Philippines. Progressive Schoolbooks.

Chicago Style (17th ed.) Citation

Dunn, Marshall Lloyd, and Gilbert Somers Perez. Science and Modern Progress in the Philippines. Manila: Progressive Schoolbooks, 1938.

MLA (9th ed.) Citation

Dunn, Marshall Lloyd, and Gilbert Somers Perez. Science and Modern Progress in the Philippines. Progressive Schoolbooks, 1938.