APA-viite (7. p.)

Guardini, R. Aesthetic-theological thoughts on "The Windhover": Romano Guardini. Hopkins : a collection of critical essays.(1966).

Chicago-viite (17. p.)

Guardini, Romano. "Aesthetic-theological Thoughts on "The Windhover": Romano Guardini." Hopkins : A Collection of Critical Essays.(1966) .

MLA-viite (8. p.)

Guardini, Romano. "Aesthetic-theological Thoughts on "The Windhover": Romano Guardini." Hopkins : A Collection of Critical Essays.(1966), .