APA aipamena

Calvert, W. H., Hyatt, M. B., & Mendoza Villaseñor, N. P. (1986). The effects of understory vegetation on the survival of overwintering Monarch butterflies, (Danaus plexippus L.) in Mexico. Instituto de Ecología, A.C.

Chicago Style aipamena

Calvert, William H., Martin B. Hyatt, and Norma P. Mendoza Villaseñor. The Effects of Understory Vegetation on the Survival of Overwintering Monarch Butterflies, (Danaus Plexippus L.) in Mexico. Instituto de Ecología, A.C, 1986.

MLA aipamena

Calvert, William H., et al. The Effects of Understory Vegetation on the Survival of Overwintering Monarch Butterflies, (Danaus Plexippus L.) in Mexico. Instituto de Ecología, A.C, 1986.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.