APA (7. basım) Alıntı

Harrar, E. (1957). Houghs encyclopaedia of American woods. Robert Speller & Sons.

Chicago Style (17. basım) Atıf

Harrar, E.S. Houghs Encyclopaedia of American Woods. New York: Robert Speller & Sons, 1957.

MLA (9th ed.) Atıf

Harrar, E.S. Houghs Encyclopaedia of American Woods. Robert Speller & Sons, 1957.