APA (7th ed.) Citation

Monserrat, P., & Villar Pérez, L. (1981). Flora pyrenaea: Exsiccata ex herbario Jaca. [s.n.]c1981.

Chicago Style (17th ed.) Citation

Monserrat, Pedro, and Luis Villar Pérez. Flora Pyrenaea: Exsiccata Ex Herbario Jaca. Jaca: [s.n.]c1981, 1981.

MLA (9th ed.) Citation

Monserrat, Pedro, and Luis Villar Pérez. Flora Pyrenaea: Exsiccata Ex Herbario Jaca. [s.n.]c1981, 1981.