Cita APA

Madriz, J. A. (1981). Seasonal variation in the composition of timothy (1a. ed.). [S.l.]: Cornell University.

Citación estilo Chicago

Madriz, José Antonio. Seasonal Variation in the Composition of Timothy. 1a. ed. [S.l.]: Cornell University, 1981.

Cita MLA

Madriz, José Antonio. Seasonal Variation in the Composition of Timothy. 1a. ed. [S.l.]: Cornell University, 1981.