APA
Sears W. &. S. M., . (1993). Baby book. Boston: Little, Brown & Company.
Chicago
Sears William & Sears Martha, . 1993. Baby book. Boston: Little, Brown & Company.
Harvard
Sears W. &. S. M., . (1993). Baby book. Boston: Little, Brown & Company.
MLA
Sears William & Sears Martha, . Baby book. Boston: Little, Brown & Company. 1993.