Scott, G., & Dahl, B. E. (1980). Key to selected plant species of Texas using plant fragments. Zenodo.
Citazione stile Chigago Style (17a edizione)Scott, G., e B. E. Dahl. Key to Selected Plant Species of Texas Using Plant Fragments. Zenodo, 1980.
Citatione MLA (9a ed.)Scott, G., e B. E. Dahl. Key to Selected Plant Species of Texas Using Plant Fragments. Zenodo, 1980.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.