Chinese calligraphy. Co-published by the Philadelphia Museum of Art and Boston Book & Art, Publisher.

MLA

Zeng, Youhe and Philadelphia Museum of Art. Chinese calligraphy. Co-published by the Philadelphia Museum of Art and Boston Book & Art, Publisher. [Philadelphia], [publisher not identified], 1971.

APA

Zeng, Y. & Philadelphia Museum of Art. (1971). Chinese calligraphy. Co-published by the Philadelphia Museum of Art and Boston Book & Art, Publisher. [Philadelphia], [publisher not identified].

Chicago

Zeng, Youhe and Philadelphia Museum of Art. Chinese calligraphy. Co-published by the Philadelphia Museum of Art and Boston Book & Art, Publisher. [Philadelphia], [publisher not identified], 1971.