Citazione Stile APA (7a Edizione)

Penney, S. (1995). Islam (New colour ed., first publ. 1987, rev. ed.). Heinemann, Part of Pearson Education.

Citazione stile Chigago Style (17a edizione)

Penney, Sue. Islam. New colour ed., first publ. 1987, rev. ed. Harlow, Essex: Heinemann, Part of Pearson Education, 1995.

Citatione MLA (9a ed.)

Penney, Sue. Islam. New colour ed., first publ. 1987, rev. ed. Heinemann, Part of Pearson Education, 1995.