APA (7th ed.) Citation

Boyce, R. R. (1982). Geographic perspectives on global problem: An introduction to geography. John Willey r Sons.

Chicago Style (17th ed.) Citation

Boyce, Ronald Reed. Geographic Perspectives on Global Problem: An Introduction to Geography. John Willey r Sons, 1982.

MLA (8th ed.) Citation

Boyce, Ronald Reed. Geographic Perspectives on Global Problem: An Introduction to Geography. John Willey r Sons, 1982.

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