Meyer, H. W., & Manchester, S. R. (1997). The oligocene bridge creek flora of the John Day Formation, Oregon. University of California Press.
Citación estilo ChicagoMeyer, Herbert W., and Steven R. Manchester. The Oligocene Bridge Creek Flora of the John Day Formation, Oregon. Berkeley, USA: University of California Press, 1997.
Cita MLAMeyer, Herbert W., and Steven R. Manchester. The Oligocene Bridge Creek Flora of the John Day Formation, Oregon. University of California Press, 1997.
Warning: These citations may not always be 100% accurate.