APA Style

Herrera, Mario. (2006). Backpack 2 British English (Workbook) (2). Singapore: Pearson Longman.

Chicago Style

Herrera, Mario. Backpack 2 British English (Workbook). 2 Singapore: Pearson Longman, 2006. Printed Book.

MLA Style

Herrera, Mario. Backpack 2 British English (Workbook). 2 Singapore: Pearson Longman, 2006. Printed Book.

Turabian Style

Herrera, Mario. Backpack 2 British English (Workbook). 2 Singapore: Pearson Longman, 2006. Printed Book.