APA (7th ed.) Citation

Pammel, L. H. (1903). Ecology. Press of J. B. Hungerford.

Chicago Style (17th ed.) Citation

Pammel, L. H. Ecology. Carroll, Ia.: Press of J. B. Hungerford, 1903.

MLA (8th ed.) Citation

Pammel, L. H. Ecology. Press of J. B. Hungerford, 1903.

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