Citazione Stile APA (7a Edizione)

Merrill, E. D. (1984). A flora of Manila. Republic of the Philippines. Bureau of Printing ,1912.

Citazione stile Chigago Style (17a edizione)

Merrill, Elmer Drew. A Flora of Manila. Manila: Republic of the Philippines. Bureau of Printing ,1912, 1984.

Citatione MLA (9a ed.)

Merrill, Elmer Drew. A Flora of Manila. Republic of the Philippines. Bureau of Printing ,1912, 1984.