6. Citing literature

• see Álvarez 1997 or Álvarez 1997: 133-134
• with parentheses:
  • "Locating an individual language on a given point of the ergativity-nominativity axis and the diachronic interpretation of this axis seem to be conceptually different concerns" (Álvarez 1997)
  • "Locating an individual language on a given point of the ergativity-nominativity axis and the diachronic interpretation of this axis seem to be conceptually different concerns" (Álvarez 1997: 71)
• multiple citations:
  • Álvarez 1997: 133-134, Meira 1999: 218
  • (Álvarez 1997: 133-134, Meira 1999: 218)