APA استشهاد

Bibby, C. (1967). The Essence of T H Huxley (1st.). The Macmillan Ltd.

استشهاد بنمط شيكاغو

Bibby, Cyril. The Essence of T H Huxley. 1st. London: The Macmillan Ltd, 1967.

MLA استشهاد

Bibby, Cyril. The Essence of T H Huxley. 1st. The Macmillan Ltd, 1967.