APA (7th ed.) Citation

Levin, O. (2016). Discrete Mathematics: An Open Introduction (3rd Edition.). Oscar Levin.

Chicago Style (17th ed.) Citation

Levin, Oscar. Discrete Mathematics: An Open Introduction. 3rd Edition. Greeley, CO: Oscar Levin, 2016.

MLA (9th ed.) Citation

Levin, Oscar. Discrete Mathematics: An Open Introduction. 3rd Edition. Oscar Levin, 2016.

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