APA ציטוט

Joseph Lucas. (1976). Frontiers of life: Animals of mountains and poles. Aldus books Ltd.

Chicago Edition Citation

Joseph Lucas. Frontiers of Life: Animals of Mountains and Poles. Aldus books Ltd, 1976.

ציטוט MLA

Joseph Lucas. Frontiers of Life: Animals of Mountains and Poles. Aldus books Ltd, 1976.