Cita APA (7a ed.)

Knauth, P. (1980). Bosques del Canadá (2nd Spanish printing.). Time-Life.

Cita Chicago Style (17a ed.)

Knauth, Percy. Bosques Del Canadá. 2nd Spanish printing. Amsterdam: Time-Life, 1980.

Cita MLA (9a ed.)

Knauth, Percy. Bosques Del Canadá. 2nd Spanish printing. Time-Life, 1980.