Richardson, Alfred. "Cistaceae". Plants of the Rio Grande Delta, New York, USA: University of Texas Press, 1995, pp. 167-167. https://doi.org/10.7560/770683-074
Richardson, A. (1995). Cistaceae. In Plants of the Rio Grande Delta (pp. 167-167). New York, USA: University of Texas Press. https://doi.org/10.7560/770683-074
Richardson, A. 1995. Cistaceae. Plants of the Rio Grande Delta. New York, USA: University of Texas Press, pp. 167-167. https://doi.org/10.7560/770683-074
Richardson, Alfred. "Cistaceae" In Plants of the Rio Grande Delta, 167-167. New York, USA: University of Texas Press, 1995. https://doi.org/10.7560/770683-074
Richardson A. Cistaceae. In: Plants of the Rio Grande Delta. New York, USA: University of Texas Press; 1995. p.167-167. https://doi.org/10.7560/770683-074