APA (7e ed.) Bronvermelding

Leaf, S. (2013). A love affair with birds: The life of Thomas Sadler Roberts. University of Minnesota Press.

Chicago (17e ed.) Bronvermelding

Leaf, Sue. A Love Affair with Birds: The Life of Thomas Sadler Roberts. Minneapolis: University of Minnesota Press, 2013.

MLA (9e ed.) Bronvermelding

Leaf, Sue. A Love Affair with Birds: The Life of Thomas Sadler Roberts. University of Minnesota Press, 2013.