APA (7th ed.) Citation

Umbgrove, J. (1950). Symphony of the earth. Martinus Nijhoff.

Chicago Style (17th ed.) Citation

Umbgrove, JHF. Symphony of the Earth. Martinus Nijhoff, 1950.

MLA (8th ed.) Citation

Umbgrove, JHF. Symphony of the Earth. Martinus Nijhoff, 1950.

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