APA

Potter J., Williams M., . (2013). Hercules. [London]: Pearson Education.

Chicago

Potter Jocelyn, Williams Melanie, . 2013. Hercules. [London]: Pearson Education.

Harvard

Potter J., Williams M., . (2013). Hercules. [London]: Pearson Education.

MLA

Potter Jocelyn, Williams Melanie, . Hercules. [London]: Pearson Education. 2013.