Marriott. (1972). Practical electrocardiograph (5th ed.). Williams & Wilkin.
Chicago Style (17th ed.) CitationMarriott. Practical Electrocardiograph. 5th ed. Baltimore: Williams & Wilkin, 1972.
MLA (8th ed.) CitationMarriott. Practical Electrocardiograph. 5th ed. Williams & Wilkin, 1972.
Warning: These citations may not always be 100% accurate.