APA (7th ed.) Citation

Roiha, E. V. P. On the theory and technique of contemporary music.

Chicago Style (17th ed.) Citation

Roiha, Eino Vilho Pietari. On the Theory and Technique of Contemporary Music. Helsinki,1956.

MLA (9th ed.) Citation

Roiha, Eino Vilho Pietari. On the Theory and Technique of Contemporary Music.

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