APA

Folse K. S., Muchmore-Vokoun A. & Vestri E. (2020). Great writing 4: great essays. Boston, USA: National Geographic Learning.

Chicago

Folse Keith S, Muchmore-Vokoun April and Vestri Elena. 2020. Great writing 4: great essays. Boston, USA: National Geographic Learning.

Harvard

Folse K. S., Muchmore-Vokoun A. and Vestri E. (2020). Great writing 4: great essays. Boston, USA: National Geographic Learning.

MLA

Folse Keith S, Muchmore-Vokoun April and Vestri Elena. Great writing 4: great essays. Boston, USA: National Geographic Learning. 2020.