Citazione Stile APA (7a Edizione)

Havranek, C. E., & Harris, S. (2020). Butterfly count surveys in field margins at Ditchley Park, Oxfordshire, UK, June - July 2016. University of Oxford.

Citazione stile Chigago Style (17a edizione)

Havranek, C E., e S. Harris. Butterfly Count Surveys in Field Margins at Ditchley Park, Oxfordshire, UK, June - July 2016. University of Oxford, 2020.

Citatione MLA (9a ed.)

Havranek, C E., e S. Harris. Butterfly Count Surveys in Field Margins at Ditchley Park, Oxfordshire, UK, June - July 2016. University of Oxford, 2020.