APA (7th ed.) Citation

RK, S. (1977). Development aid through information. Trying a new concept in Columbia. Acta tropica, 34(3), 215.

Chicago Style (17th ed.) Citation

RK, Spillmann. "Development Aid Through Information. Trying a New Concept in Columbia." Acta Tropica 34, no. 3 (1977): 215.

MLA (9th ed.) Citation

RK, Spillmann. "Development Aid Through Information. Trying a New Concept in Columbia." Acta Tropica, vol. 34, no. 3, 1977, p. 215.