APA (7th ed.) Citation

Shoghi, E. (1980). The promised day is come (Rev. ed.). Baha'i Pub. Trust.

Chicago Style (17th ed.) Citation

Shoghi, Effendi. The Promised Day Is Come. Rev. ed. Wilmette, Ill.: Baha'i Pub. Trust, 1980.

MLA (9th ed.) Citation

Shoghi, Effendi. The Promised Day Is Come. Rev. ed. Baha'i Pub. Trust, 1980.