APA (7th ed.) Citation

Powell, A. M. (2004). Trees and shrubs of the Trans-Pecos and adjacent areas (2. paperback print., rev. ed.). Univ. of Texas Press.

Chicago Style (17th ed.) Citation

Powell, Albert Michael. Trees and Shrubs of the Trans-Pecos and Adjacent Areas. 2. paperback print., rev. ed. Austin, Tex: Univ. of Texas Press, 2004.

MLA (9th ed.) Citation

Powell, Albert Michael. Trees and Shrubs of the Trans-Pecos and Adjacent Areas. 2. paperback print., rev. ed. Univ. of Texas Press, 2004.