APA (7th ed.) Citation

Smit, W. A. (1968). Twaalf studies.

Chicago Style (17th ed.) Citation

Smit, Wisse A. Twaalf Studies. 1968.

MLA (9th ed.) Citation

Smit, Wisse A. Twaalf Studies. 1968.

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