APA (7th ed.) Citation

Armas, G. d. (1972). Tu es Petrus. [s.n.].

Chicago Style (17th ed.) Citation

Armas, Gabriel de. Tu Es Petrus. Las Palmas: [s.n.], 1972.

MLA (9th ed.) Citation

Armas, Gabriel de. Tu Es Petrus. [s.n.], 1972.

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