APA (7 वां संस्करण) प्रशस्ति पत्र
Keller, P. W. (1966). As a tree grows: Reflections on growing in the image of Christ. Billy Graham Evangelistic Association.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Keller, Phillip W. As a Tree Grows: Reflections on Growing in the Image of Christ. USA: Billy Graham Evangelistic Association, 1966.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Keller, Phillip W. As a Tree Grows: Reflections on Growing in the Image of Christ. Billy Graham Evangelistic Association, 1966.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.