APA (7th ed.) Citation

Parker, T. A., Parker, S. A., & Plenge, M. A. (1978). A checklist of Peruvian birds. S. Parker.

Chicago Style (17th ed.) Citation

Parker, Theodore A., Susan Allen Parker, and Manuel A. Plenge. A Checklist of Peruvian Birds. Tucson: S. Parker, 1978.

MLA (9th ed.) Citation

Parker, Theodore A., et al. A Checklist of Peruvian Birds. S. Parker, 1978.