Citazione Stile APA (7a Edizione)

Cootes, J., & Boos, R. (2018). A selection of Ceratostylis species -- part 2. Manila Bulletin.

Citazione stile Chigago Style (17a edizione)

Cootes, Jim, e Ronny Boos. "A Selection of Ceratostylis Species -- Part 2." Manila Bulletin 2018.

Citatione MLA (9a ed.)

Cootes, Jim, e Ronny Boos. "A Selection of Ceratostylis Species -- Part 2." Manila Bulletin, 2018.