APA (7th ed.) Citation

Umbgrove, J. H. F. (1950). Symphony of the earth: With 10 plates and 123 textfigures. Nijhoff.

Chicago Style (17th ed.) Citation

Umbgrove, Johannes Hermann Frederik. Symphony of the Earth: With 10 Plates and 123 Textfigures. The Hague: Nijhoff, 1950.

MLA (9th ed.) Citation

Umbgrove, Johannes Hermann Frederik. Symphony of the Earth: With 10 Plates and 123 Textfigures. Nijhoff, 1950.

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