APA (7th ed.) Citation

Hartwig, G. The Tropical World Aspects of man and nature in the equatorial regions of the globe.

Chicago Style (17th ed.) Citation

Hartwig, G. The Tropical World Aspects of Man and Nature in the Equatorial Regions of the Globe.

MLA (9th ed.) Citation

Hartwig, G. The Tropical World Aspects of Man and Nature in the Equatorial Regions of the Globe.

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