Παραπομπή σε μορφή APA (7η εκδ.)

Feeman, T. G. (2002). Portraits of the earth: A mathematical looks at maps. American Mathematical Society.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Feeman, Timothy G. Portraits of the Earth: A Mathematical Looks at Maps. Providence, R.I.: American Mathematical Society, 2002.

Παραπομπή σε μορφή MLA (9th εκδ.)

Feeman, Timothy G. Portraits of the Earth: A Mathematical Looks at Maps. American Mathematical Society, 2002.