APA (7th ed.) Citation

JH, K. (1973). [Birthrate declining precipitously]. Katilolehti, 78(5), 233.

Chicago Style (17th ed.) Citation

JH, Kaste. "[Birthrate Declining Precipitously]." Katilolehti 78, no. 5 (1973): 233.

MLA (9th ed.) Citation

JH, Kaste. "[Birthrate Declining Precipitously]." Katilolehti, vol. 78, no. 5, 1973, p. 233.