Cita APA (7th ed.)

Santillan, R. E., & Valenzuela, R. (1992). The Hygrophoraceae family in Mexico. II. Instituto de Ecología, A.C.

Cita Chicago (17th ed.)

Santillan, Rosa E., i Ricardo Valenzuela. The Hygrophoraceae Family in Mexico. II. Instituto de Ecología, A.C, 1992.

Cita MLA (9th ed.)

Santillan, Rosa E., i Ricardo Valenzuela. The Hygrophoraceae Family in Mexico. II. Instituto de Ecología, A.C, 1992.