APA (7th ed.) Citation

Nordhagen, P. J. (1978). Saint Maria Antiqua: The frescoes of the seventh century.

Chicago Style (17th ed.) Citation

Nordhagen, Per Jonas. Saint Maria Antiqua: The Frescoes of the Seventh Century. 1978.

MLA (9th ed.) Citation

Nordhagen, Per Jonas. Saint Maria Antiqua: The Frescoes of the Seventh Century. 1978.

Warning: These citations may not always be 100% accurate.