Cita APA (7a ed.)

Guilbert, D. C. Northwest -- National parks and reserves -- Glacier.

Cita Chicago Style (17a ed.)

Guilbert, David C. Northwest -- National Parks and Reserves -- Glacier.

Cita MLA (8a ed.)

Guilbert, David C. Northwest -- National Parks and Reserves -- Glacier.

Precaución: Estas citas no son 100% exactas.