Cita APA (7a ed.)

Gill, J. E. (2017). The Proterozoic in Canada. Canadian Electronic Library.

Cita Chicago Style (17a ed.)

Gill, J. E. The Proterozoic in Canada. Ottawa, Ontario: Canadian Electronic Library, 2017.

Cita MLA (8a ed.)

Gill, J. E. The Proterozoic in Canada. Canadian Electronic Library, 2017.