APA (7th ed.) Citation

GREGORY, G. R. Forest resource economics. John Wiley & Sons.

Chicago Style (17th ed.) Citation

GREGORY, G. ROBINSON. Forest Resource Economics. John Wiley & Sons.

MLA (8th ed.) Citation

GREGORY, G. ROBINSON. Forest Resource Economics. John Wiley & Sons.

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