APA (7th ed.) Citation

Valente, M. A. (1970). Viola interdita. [s.l.].

Chicago Style (17th ed.) Citation

Valente, Manuel Alberto. Viola Interdita. [s.l.], 1970.

MLA (8th ed.) Citation

Valente, Manuel Alberto. Viola Interdita. [s.l.], 1970.

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