APA

Fessl B., Heimpel G. E. & Causton C. E. (2018). Invasion of an Avian Nest Parasite, Philornis downsi, to the Galapagos Islands. [S.d.]: Springer.

Chicago

Fessl Birgit, Heimpel George E and Causton Charlotte E. 2018. Invasion of an Avian Nest Parasite, Philornis downsi, to the Galapagos Islands. [S.d.]: Springer.

Harvard

Fessl B., Heimpel G. E. and Causton C. E. (2018). Invasion of an Avian Nest Parasite, Philornis downsi, to the Galapagos Islands. [S.d.]: Springer.

MLA

Fessl Birgit, Heimpel George E and Causton Charlotte E. Invasion of an Avian Nest Parasite, Philornis downsi, to the Galapagos Islands. [S.d.]: Springer. 2018.