APA (7th ed.) Citation

Dressler, W., & Roesler, H. (1949). An atlas of electrocardiography. C.C. Thomas.

Chicago Style (17th ed.) Citation

Dressler, William, and Hugo Roesler. An Atlas of Electrocardiography. Springfield, IL: C.C. Thomas, 1949.

MLA (9th ed.) Citation

Dressler, William, and Hugo Roesler. An Atlas of Electrocardiography. C.C. Thomas, 1949.