APA (7th ed.) Citation

GILBERTSON, D. (1989). Practical Ecology For Geography And Biology. Croom Helm.

Chicago Style (17th ed.) Citation

GILBERTSON, DD. Practical Ecology For Geography And Biology. Croom Helm, 1989.

MLA (8th ed.) Citation

GILBERTSON, DD. Practical Ecology For Geography And Biology. Croom Helm, 1989.

Warning: These citations may not always be 100% accurate.