APA (7th ed.) Citation

Salomaa, J. E. (1929). The category of relation.

Chicago Style (17th ed.) Citation

Salomaa, Jalmari Eduard. The Category of Relation. Helsinki, 1929.

MLA (8th ed.) Citation

Salomaa, Jalmari Eduard. The Category of Relation. 1929.

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