Hello, 

These are the determinants of attitude formation:

• Socialization
• Personal experiences. 
• Need for satisfaction and personal interest 
• Community attitudes 
• Mass communication 
• Personality traits 
• Rational analysis 
• Culture
• Accessible information 
• Religious beliefs etc., 

These are the factors influencing attitude:

• Social Factors.
• Direct Instruction.
• Family.
• Prejudices.
• Personal Experience.
• Media.
• Educational and Religious Institutions.
• Physical Factors.
• Economic Status and Occupations.

To get more detailed information, please go through the following links

http://www.studyandexam.com/attitude-formation.html

https://iedunote.com/factors-influencing-attitude

Hope this helps you .....