APA (7th ed.) Citation
Heinzl, C., & Seibt, S. (2014). Relationship between semantic-lexical knowledge and mathematic abilities. Forschung Sprache, 2, 4-20.
Chicago Style (17th ed.) Citation
Heinzl, Claudia, and Sabine Seibt. "Relationship Between Semantic-lexical Knowledge and Mathematic Abilities." Forschung Sprache 2 (2014): 4-20.
MLA (9th ed.) Citation
Heinzl, Claudia, and Sabine Seibt. "Relationship Between Semantic-lexical Knowledge and Mathematic Abilities." Forschung Sprache, 2, 2014, pp. 4-20.
Warning: These citations may not always be 100% accurate.