Record Citations
APA (7th ed.) Citation
Heinroth, O., Heinroth, K., & Margalef, R. (1959). El estudio de las aves. Barcelona : Labor , [1959].
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Chicago Style (17th ed.) Citation
Heinroth, Oskar, Katharina Heinroth, and Ramón Margalef. El Estudio De Las Aves. Barcelona: Barcelona : Labor , [1959], 1959.
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MLA (9th ed.) Citation
Heinroth, Oskar, et al. El Estudio De Las Aves. Barcelona : Labor , [1959], 1959.
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Warning: These citations may not always be 100% accurate.