APA (7th ed.) Citation

VERSTAPPEN, H. T. (1973). A Geomorphological reconnaissance of Sumatera and Adjacent Islands (Indonesia). Wolters - Noordhoffnv Groningen.

Chicago Style (17th ed.) Citation

VERSTAPPEN, H. Th. A Geomorphological Reconnaissance of Sumatera and Adjacent Islands (Indonesia). Wolters - Noordhoffnv Groningen, 1973.

MLA (8th ed.) Citation

VERSTAPPEN, H. Th. A Geomorphological Reconnaissance of Sumatera and Adjacent Islands (Indonesia). Wolters - Noordhoffnv Groningen, 1973.

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