APA (7th ed.) Citation

Petkov, P. P. (1990). Mathematical Logic. Springer US.

Chicago Style (17th ed.) Citation

Petkov, Petio Petrov. Mathematical Logic. Boston, MA: Springer US, 1990.

MLA (9th ed.) Citation

Petkov, Petio Petrov. Mathematical Logic. Springer US, 1990.

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