APA-referens

Hartshorne, C. (1973). Born to sing: An interpretation and world survey of bird song. Bloomington: Indiana University Press.

Chicago-stil citat

Hartshorne, Charles. Born to Sing: An Interpretation and World Survey of Bird Song. Bloomington: Indiana University Press, 1973.

MLA-referens

Hartshorne, Charles. Born to Sing: An Interpretation and World Survey of Bird Song. Bloomington: Indiana University Press, 1973.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.