APA (7th ed.) Citation

Sieber, J. H. (1973). An introduction to the Tractate Zostrianos from Nag Hammadi. [s.n.].

Chicago Style (17th ed.) Citation

Sieber, John H. An Introduction to the Tractate Zostrianos from Nag Hammadi. [S.l.]: [s.n.], 1973.

MLA (9th ed.) Citation

Sieber, John H. An Introduction to the Tractate Zostrianos from Nag Hammadi. [s.n.], 1973.