APA (7th ed.) Citation

Farrell, E. J. An introduction of F-graphs, a graph-theoretic representation of natural numbers. Wiley.

Chicago Style (17th ed.) Citation

Farrell, E. J. An Introduction of F-graphs, a Graph-theoretic Representation of Natural Numbers. Wiley.

MLA (9th ed.) Citation

Farrell, E. J. An Introduction of F-graphs, a Graph-theoretic Representation of Natural Numbers. Wiley.

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