Citazione Stile APA (7a Edizione)

Wills, O., & Crossen, T. I. (1981). Black Hill: History and development of the Black Hill Native Flora Park. Black Hill Native Flora Park Trust, Dept. of Environment and Planning, South Australia.

Citazione stile Chigago Style (17a edizione)

Wills, Owen, e T. I. Crossen. Black Hill: History and Development of the Black Hill Native Flora Park. Adelaide: Black Hill Native Flora Park Trust, Dept. of Environment and Planning, South Australia, 1981.

Citatione MLA (8a ed.)

Wills, Owen, e T. I. Crossen. Black Hill: History and Development of the Black Hill Native Flora Park. Black Hill Native Flora Park Trust, Dept. of Environment and Planning, South Australia, 1981.