APA Citation

Cassinia, a bird annual: Proceedings of the delaware valley ornithological club of philadelphia. [Philadelphia]: The Club.

Chicago Style Citation

Cassinia, a Bird Annual: Proceedings of the Delaware Valley Ornithological Club of Philadelphia. [Philadelphia]: The Club.

MLA Citation

Cassinia, a Bird Annual: Proceedings of the Delaware Valley Ornithological Club of Philadelphia. [Philadelphia]: The Club.

Warning: These citations may not always be 100% accurate.