Citazione Stile APA (7a Edizione)

Hughes, R. E., & Milner, C. (1970). Methods for the measurement of the primary production of grassland. Blackwell Scientific Publications.

Citazione stile Chigago Style (17a edizione)

Hughes, R Elfyn, e C. Milner. Methods for the Measurement of the Primary Production of Grassland. Oxford: Blackwell Scientific Publications, 1970.

Citatione MLA (9a ed.)

Hughes, R Elfyn, e C. Milner. Methods for the Measurement of the Primary Production of Grassland. Blackwell Scientific Publications, 1970.