Cita APA (7th ed.)

Science Education Center, U. o. t. P. (1968). Elementary school mathematics 1. Science Education Center, University of the Philippines.

Cita Chicago (17th ed.)

Science Education Center, University of the Philippines. Elementary School Mathematics 1. Quezon City: Science Education Center, University of the Philippines, 1968.

Cita MLA (9th ed.)

Science Education Center, University of the Philippines. Elementary School Mathematics 1. Science Education Center, University of the Philippines, 1968.