APA (7th ed.) Citation

Seligson, P. (2010). Essential english course: 4 : intermediate : coursebook with CD-ROM. Richmond.

Chicago Style (17th ed.) Citation

Seligson, Paul. Essential English Course: 4 : Intermediate : Coursebook with CD-ROM. Oxford: Richmond, 2010.

MLA (9th ed.) Citation

Seligson, Paul. Essential English Course: 4 : Intermediate : Coursebook with CD-ROM. Richmond, 2010.

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