APA citiranje

Ehrat, K. S. (1997). The art of EKG interpretation: A self-instructional text (4th ed.). Kendall/Hunt.

Chicago Style (17th ed.) Citation

Ehrat, Karen S. The Art of EKG Interpretation: A Self-instructional Text. 4th ed. Dubuque,Iowa: Kendall/Hunt, 1997.

MLA citiranje

Ehrat, Karen S. The Art of EKG Interpretation: A Self-instructional Text. 4th ed. Kendall/Hunt, 1997.