APA

Grubb P. J., Pennington T. D. & LLoyd J. R.Comparison of montane and lowland rain forest in Ecuador. : .

Chicago

Grubb P J, Pennington T D and LLoyd J R.Comparison of montane and lowland rain forest in Ecuador. : .

Harvard

Grubb P. J., Pennington T. D. and LLoyd J. R.Comparison of montane and lowland rain forest in Ecuador. : .

MLA

Grubb P J, Pennington T D and LLoyd J R.: . .