APA

Mackay W. P., Loring S. J., Zak J. C., Silva S. I., Fisher F. M. & Whitford W. G.Factors affecting loss in mass of creosotebush leaf-litter on the soil surface in the northern Chihuahuan desert. : .

Chicago

Mackay William P, Loring S J, Zak J C, Silva S I, Fisher F M and Whitford Walter G.Factors affecting loss in mass of creosotebush leaf-litter on the soil surface in the northern Chihuahuan desert. : .

Harvard

Mackay W. P., Loring S. J., Zak J. C., Silva S. I., Fisher F. M. and Whitford W. G.Factors affecting loss in mass of creosotebush leaf-litter on the soil surface in the northern Chihuahuan desert. : .

MLA

Mackay William P, Loring S J, Zak J C, Silva S I, Fisher F M and Whitford Walter G.: . .