Cita APA (7a ed.)

Bittinger, J. (2000). Happy times: Student's book 2. MacMillan.

Cita Chicago Style (17a ed.)

Bittinger, Judie. Happy Times: Student's Book 2. Oxford: MacMillan, 2000.

Cita MLA (9a ed.)

Bittinger, Judie. Happy Times: Student's Book 2. MacMillan, 2000.