APA
Usher M. B., Longstaff B. C. & Southall D. R. (1971). Studies on populations of Folsomia candida (Insecta: Collembola) : The productivity of populations in relation to food and exploitation. : Oecologia.
Chicago
Usher M B, Longstaff B C and Southall D R. 1971. Studies on populations of Folsomia candida (Insecta: Collembola) : The productivity of populations in relation to food and exploitation. : Oecologia.
Harvard
Usher M. B., Longstaff B. C. and Southall D. R. (1971). Studies on populations of Folsomia candida (Insecta: Collembola) : The productivity of populations in relation to food and exploitation. : Oecologia.
MLA
Usher M B, Longstaff B C and Southall D R. Studies on populations of Folsomia candida (Insecta: Collembola) : The productivity of populations in relation to food and exploitation. : Oecologia. 1971.