Citazione Stile APA (7a Edizione)
Frizzel, G. R. (1999). How to develop a powerful prayer life: The biblical path to holiness and relationship with God. Master Design.
Citazione stile Chigago Style (17a edizione)
Frizzel, Gregory R. How to Develop a Powerful Prayer Life: The Biblical Path to Holiness and Relationship with God. Memphis, TN: Master Design, 1999.
Citatione MLA (9a ed.)
Frizzel, Gregory R. How to Develop a Powerful Prayer Life: The Biblical Path to Holiness and Relationship with God. Master Design, 1999.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.