APA (7th ed.) Citation

Baxter S. Steve, Ellis M. Martyn, & Davies S. Susan. (2011). PTE (Pearson Test of English) General Skills Boosters. Level 4: Students' Book. Harlow, Pearson, 2011.

Chicago Style (17th ed.) Citation

Baxter S. Steve, Ellis M. Martyn, and Davies S. Susan. PTE (Pearson Test of English) General Skills Boosters. Level 4: Students' Book. Harlow, Pearson, 2011, 2011.

MLA (9th ed.) Citation

Baxter S. Steve, et al. PTE (Pearson Test of English) General Skills Boosters. Level 4: Students' Book. Harlow, Pearson, 2011, 2011.