APA (7th ed.) Citation

Tomescu I. (1975). Introduction to Combinatorics. Collet's (Publishers) Ltd.

Chicago Style (17th ed.) Citation

Tomescu I. Introduction to Combinatorics. London: Collet's (Publishers) Ltd, 1975.

MLA (8th ed.) Citation

Tomescu I. Introduction to Combinatorics. Collet's (Publishers) Ltd, 1975.

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