APA (7th ed.) Citation

Calleja, H. B., & Porciuncula, C. I. (1979). Clinical electrocardiography and vectorcardiography. JMC Press.

Chicago Style (17th ed.) Citation

Calleja, H B., and Camilo I. Porciuncula. Clinical Electrocardiography and Vectorcardiography. Quezon City: JMC Press, 1979.

MLA (9th ed.) Citation

Calleja, H B., and Camilo I. Porciuncula. Clinical Electrocardiography and Vectorcardiography. JMC Press, 1979.