APA Style
Frankl, W, S., Brest, A, N. (1969).
Valvular Heart Disease: Comprehensive Evaluation and Treatment (2nd ed.).
Philadelphia:
F.A. Davis Company.
MLA Style
Frankl, WIlliam, S.., Brest, Albert, N..
"Valvular Heart Disease: Comprehensive Evaluation and Treatment".
2nd ed.
Philadelphia:
F.A. Davis Company,
1969.
Text.