Cita APA

Gopalakrishnan, R. (2010). When the Penny Drops. Portfolio Penguin.

Citación estilo Chicago

Gopalakrishnan, R. When the Penny Drops. Portfolio Penguin, 2010.

Cita MLA

Gopalakrishnan, R. When the Penny Drops. Portfolio Penguin, 2010.

Warning: These citations may not always be 100% accurate.