APA (7th ed.) Citation

Grassle, J. F. (1979). Ecological diversity in theory and practice. International co-operative publishing house.

Chicago Style (17th ed.) Citation

Grassle, J. Frederick. Ecological Diversity in Theory and Practice. Fairland, Maryland: International co-operative publishing house, 1979.

MLA (9th ed.) Citation

Grassle, J. Frederick. Ecological Diversity in Theory and Practice. International co-operative publishing house, 1979.