APA (7th ed.) Citation

Niemi, T. (1982). A seven-tuple representation for hierarchical data structures.

Chicago Style (17th ed.) Citation

Niemi, Timo. A Seven-tuple Representation for Hierarchical Data Structures. Tampere, 1982.

MLA (9th ed.) Citation

Niemi, Timo. A Seven-tuple Representation for Hierarchical Data Structures. 1982.

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