Cita APA

Harrar, E. S., & Hough, R. B. 1. (1957). Encyclopaedia of American woods. New York: R. Speller.

Citación estilo Chicago

Harrar, Ellwood Scot, y Romeyn Beck 1857-1924 Hough. Encyclopaedia of American Woods. New York: R. Speller, 1957.

Cita MLA

Harrar, Ellwood Scot, y Romeyn Beck 1857-1924 Hough. Encyclopaedia of American Woods. New York: R. Speller, 1957.