Cita APA (7a ed.)

Mackenzine, A. (1999). Instant Notes In Ecology. VivaBook.

Cita Chicago Style (17a ed.)

Mackenzine, A. Instant Notes In Ecology. [s.l]: VivaBook, 1999.

Cita MLA (9a ed.)

Mackenzine, A. Instant Notes In Ecology. VivaBook, 1999.