Citazione Stile APA (7a Edizione)
Chapman, G. (2005). The 4 seasons of marriage: Secrets to a lasting marriage. Tyndale House Publishers.
Citazione stile Chigago Style (17a edizione)
Chapman, Gary. The 4 Seasons of Marriage: Secrets to a Lasting Marriage. Carol Stream, Illinois: Tyndale House Publishers, 2005.
Citatione MLA (9a ed.)
Chapman, Gary. The 4 Seasons of Marriage: Secrets to a Lasting Marriage. Tyndale House Publishers, 2005.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.