Cita APA

Martindill, D., Smyth, M., & Smith, M. (2020). Cambridge International AS & A level biology. London: Collins.

Citación estilo Chicago

Martindill, David, Michael Smyth, y Mike Smith. Cambridge International AS & A Level Biology. London: Collins, 2020.

Cita MLA

Martindill, David, Michael Smyth, y Mike Smith. Cambridge International AS & A Level Biology. London: Collins, 2020.